1228779720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3234

約数の個数: 320

約数和(自身を含む): 4999294080

約数和(自身を除く): 3770514360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 162, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 324, 340, 357, 360, 378, 405, 408, 420, 459, 476, 504, 510, 540, 567, 595, 612, 630, 648, 680, 714, 756, 765, 810, 840, 918, 945, 952, 1020, 1071, 1080, 1134, 1190, 1224, 1260, 1377, 1428, 1512, 1530, 1620, 1785, 1836, 1890, 2040, 2142, 2268, 2295, 2380, 2520, 2754, 2835, 2856, 3060, 3187, 3213, 3240, 3570, 3672, 3780, 4284, 4536, 4590, 4760, 5355, 5508, 5670, 6120, 6374, 6426, 6885, 7140, 7560, 8568, 9180, 9561, 9639, 10710, 11016, 11340, 12748, 12852, 13770, 14280, 15935, 16065, 18360, 19122, 19278, 21420, 22309, 22680, 25496, 25704, 27540, 28683, 31870, 32130, 38244, 38556, 42840, 44618, 47805, 48195, 54179, 55080, 57366, 63740, 64260, 66927, 76488, 77112, 86049, 89236, 95610, 96390, 108358, 111545, 114732, 127480, 128520, 133854, 143415, 162537, 172098, 178472, 191220, 192780, 200781, 216716, 223090, 229464, 258147, 267708, 270895, 286830, 325074, 334635, 344196, 379253, 382440, 385560, 401562, 430245, 433432, 446180, 487611, 516294, 535416, 541790, 573660, 602343, 650148, 669270, 688392, 758506, 803124, 812685, 860490, 892360, 975222, 1003905, 1032588, 1083580, 1137759, 1147320, 1204686, 1290735, 1300296, 1338540, 1462833, 1517012, 1606248, 1625370, 1720980, 1807029, 1896265, 1950444, 2007810, 2065176, 2167160, 2275518, 2409372, 2438055, 2581470, 2677080, 2925666, 3011715, 3034024, 3250740, 3413277, 3441960, 3614058, 3792530, 3900888, 4015620, 4388499, 4551036, 4818744, 4876110, 5162940, 5688795, 5851332, 6023430, 6501480, 6826554, 7228116, 7314165, 7585060, 8031240, 8776998, 9035145, 9102072, 9752220, 10239831, 10325880, 11377590, 11702664, 12046860, 13653108, 14456232, 14628330, 15170120, 17066385, 17553996, 18070290, 19504440, 20479662, 21942495, 22755180, 24093720, 27306216, 29256660, 30719493, 34132770, 35107992, 36140580, 40959324, 43884990, 45510360, 51199155, 58513320, 61438986, 68265540, 72281160, 81918648, 87769980, 102398310, 122877972, 136531080, 153597465, 175539960, 204796620, 245755944, 307194930, 409593240, 614389860, 1228779720]

約数ペア:

[(1, 1228779720), (2, 614389860), (3, 409593240), (4, 307194930), (5, 245755944), (6, 204796620), (7, 175539960), (8, 153597465), (9, 136531080), (10, 122877972), (12, 102398310), (14, 87769980), (15, 81918648), (17, 72281160), (18, 68265540), (20, 61438986), (21, 58513320), (24, 51199155), (27, 45510360), (28, 43884990), (30, 40959324), (34, 36140580), (35, 35107992), (36, 34132770), (40, 30719493), (42, 29256660), (45, 27306216), (51, 24093720), (54, 22755180), (56, 21942495), (60, 20479662), (63, 19504440), (68, 18070290), (70, 17553996), (72, 17066385), (81, 15170120), (84, 14628330), (85, 14456232), (90, 13653108), (102, 12046860), (105, 11702664), (108, 11377590), (119, 10325880), (120, 10239831), (126, 9752220), (135, 9102072), (136, 9035145), (140, 8776998), (153, 8031240), (162, 7585060), (168, 7314165), (170, 7228116), (180, 6826554), (189, 6501480), (204, 6023430), (210, 5851332), (216, 5688795), (238, 5162940), (252, 4876110), (255, 4818744), (270, 4551036), (280, 4388499), (306, 4015620), (315, 3900888), (324, 3792530), (340, 3614058), (357, 3441960), (360, 3413277), (378, 3250740), (405, 3034024), (408, 3011715), (420, 2925666), (459, 2677080), (476, 2581470), (504, 2438055), (510, 2409372), (540, 2275518), (567, 2167160), (595, 2065176), (612, 2007810), (630, 1950444), (648, 1896265), (680, 1807029), (714, 1720980), (756, 1625370), (765, 1606248), (810, 1517012), (840, 1462833), (918, 1338540), (945, 1300296), (952, 1290735), (1020, 1204686), (1071, 1147320), (1080, 1137759), (1134, 1083580), (1190, 1032588), (1224, 1003905), (1260, 975222), (1377, 892360), (1428, 860490), (1512, 812685), (1530, 803124), (1620, 758506), (1785, 688392), (1836, 669270), (1890, 650148), (2040, 602343), (2142, 573660), (2268, 541790), (2295, 535416), (2380, 516294), (2520, 487611), (2754, 446180), (2835, 433432), (2856, 430245), (3060, 401562), (3187, 385560), (3213, 382440), (3240, 379253), (3570, 344196), (3672, 334635), (3780, 325074), (4284, 286830), (4536, 270895), (4590, 267708), (4760, 258147), (5355, 229464), (5508, 223090), (5670, 216716), (6120, 200781), (6374, 192780), (6426, 191220), (6885, 178472), (7140, 172098), (7560, 162537), (8568, 143415), (9180, 133854), (9561, 128520), (9639, 127480), (10710, 114732), (11016, 111545), (11340, 108358), (12748, 96390), (12852, 95610), (13770, 89236), (14280, 86049), (15935, 77112), (16065, 76488), (18360, 66927), (19122, 64260), (19278, 63740), (21420, 57366), (22309, 55080), (22680, 54179), (25496, 48195), (25704, 47805), (27540, 44618), (28683, 42840), (31870, 38556), (32130, 38244)]