28510020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 115105536

約数和(自身を除く): 86595516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 99, 102, 105, 110, 119, 121, 126, 132, 140, 153, 154, 165, 170, 180, 187, 198, 204, 210, 220, 231, 238, 242, 252, 255, 306, 308, 315, 330, 340, 357, 363, 374, 385, 396, 420, 462, 476, 484, 495, 510, 561, 595, 605, 612, 630, 660, 693, 714, 726, 748, 765, 770, 847, 924, 935, 990, 1020, 1071, 1089, 1122, 1155, 1190, 1210, 1260, 1309, 1331, 1386, 1428, 1452, 1530, 1540, 1683, 1694, 1785, 1815, 1870, 1980, 2057, 2142, 2178, 2244, 2310, 2380, 2420, 2541, 2618, 2662, 2772, 2805, 3060, 3366, 3388, 3465, 3570, 3630, 3740, 3927, 3993, 4114, 4235, 4284, 4356, 4620, 5082, 5236, 5324, 5355, 5445, 5610, 6171, 6545, 6655, 6732, 6930, 7140, 7260, 7623, 7854, 7986, 8228, 8415, 8470, 9317, 10164, 10285, 10710, 10890, 11220, 11781, 11979, 12342, 12705, 13090, 13310, 13860, 14399, 15246, 15708, 15972, 16830, 16940, 18513, 18634, 19635, 19965, 20570, 21420, 21780, 22627, 23562, 23958, 24684, 25410, 26180, 26620, 27951, 28798, 30492, 30855, 33660, 37026, 37268, 38115, 39270, 39930, 41140, 43197, 45254, 46585, 47124, 47916, 50820, 55902, 57596, 58905, 59895, 61710, 67881, 71995, 74052, 76230, 78540, 79860, 83853, 86394, 90508, 92565, 93170, 111804, 113135, 117810, 119790, 123420, 129591, 135762, 139755, 143990, 152460, 158389, 167706, 172788, 185130, 186340, 203643, 215985, 226270, 235620, 239580, 259182, 271524, 279510, 287980, 316778, 335412, 339405, 370260, 407286, 419265, 431970, 452540, 475167, 518364, 559020, 633556, 647955, 678810, 791945, 814572, 838530, 863940, 950334, 1018215, 1295910, 1357620, 1425501, 1583890, 1677060, 1900668, 2036430, 2375835, 2591820, 2851002, 3167780, 4072860, 4751670, 5702004, 7127505, 9503340, 14255010, 28510020]

約数ペア:

[(1, 28510020), (2, 14255010), (3, 9503340), (4, 7127505), (5, 5702004), (6, 4751670), (7, 4072860), (9, 3167780), (10, 2851002), (11, 2591820), (12, 2375835), (14, 2036430), (15, 1900668), (17, 1677060), (18, 1583890), (20, 1425501), (21, 1357620), (22, 1295910), (28, 1018215), (30, 950334), (33, 863940), (34, 838530), (35, 814572), (36, 791945), (42, 678810), (44, 647955), (45, 633556), (51, 559020), (55, 518364), (60, 475167), (63, 452540), (66, 431970), (68, 419265), (70, 407286), (77, 370260), (84, 339405), (85, 335412), (90, 316778), (99, 287980), (102, 279510), (105, 271524), (110, 259182), (119, 239580), (121, 235620), (126, 226270), (132, 215985), (140, 203643), (153, 186340), (154, 185130), (165, 172788), (170, 167706), (180, 158389), (187, 152460), (198, 143990), (204, 139755), (210, 135762), (220, 129591), (231, 123420), (238, 119790), (242, 117810), (252, 113135), (255, 111804), (306, 93170), (308, 92565), (315, 90508), (330, 86394), (340, 83853), (357, 79860), (363, 78540), (374, 76230), (385, 74052), (396, 71995), (420, 67881), (462, 61710), (476, 59895), (484, 58905), (495, 57596), (510, 55902), (561, 50820), (595, 47916), (605, 47124), (612, 46585), (630, 45254), (660, 43197), (693, 41140), (714, 39930), (726, 39270), (748, 38115), (765, 37268), (770, 37026), (847, 33660), (924, 30855), (935, 30492), (990, 28798), (1020, 27951), (1071, 26620), (1089, 26180), (1122, 25410), (1155, 24684), (1190, 23958), (1210, 23562), (1260, 22627), (1309, 21780), (1331, 21420), (1386, 20570), (1428, 19965), (1452, 19635), (1530, 18634), (1540, 18513), (1683, 16940), (1694, 16830), (1785, 15972), (1815, 15708), (1870, 15246), (1980, 14399), (2057, 13860), (2142, 13310), (2178, 13090), (2244, 12705), (2310, 12342), (2380, 11979), (2420, 11781), (2541, 11220), (2618, 10890), (2662, 10710), (2772, 10285), (2805, 10164), (3060, 9317), (3366, 8470), (3388, 8415), (3465, 8228), (3570, 7986), (3630, 7854), (3740, 7623), (3927, 7260), (3993, 7140), (4114, 6930), (4235, 6732), (4284, 6655), (4356, 6545), (4620, 6171), (5082, 5610), (5236, 5445), (5324, 5355)]