80820720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 320

約数和(自身を含む): 308551680

約数和(自身を除く): 227730960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 48, 51, 54, 60, 62, 68, 71, 72, 80, 85, 90, 93, 102, 108, 120, 124, 135, 136, 142, 144, 153, 155, 170, 180, 186, 204, 213, 216, 240, 248, 255, 270, 272, 279, 284, 306, 310, 340, 355, 360, 372, 408, 426, 432, 459, 465, 496, 510, 527, 540, 558, 568, 612, 620, 639, 680, 710, 720, 744, 765, 816, 837, 852, 918, 930, 1020, 1054, 1065, 1080, 1116, 1136, 1207, 1224, 1240, 1278, 1360, 1395, 1420, 1488, 1530, 1581, 1674, 1704, 1836, 1860, 1917, 2040, 2108, 2130, 2160, 2201, 2232, 2295, 2414, 2448, 2480, 2556, 2635, 2790, 2840, 3060, 3162, 3195, 3348, 3408, 3621, 3672, 3720, 3834, 4080, 4185, 4216, 4260, 4402, 4464, 4590, 4743, 4828, 5112, 5270, 5580, 5680, 6035, 6120, 6324, 6390, 6603, 6696, 7242, 7344, 7440, 7668, 7905, 8370, 8432, 8520, 8804, 9180, 9486, 9585, 9656, 10224, 10540, 10863, 11005, 11160, 12070, 12240, 12648, 12780, 13206, 13392, 14229, 14484, 15336, 15810, 16740, 17040, 17608, 18105, 18360, 18972, 19170, 19312, 19809, 21080, 21726, 22010, 22320, 23715, 24140, 25296, 25560, 26412, 28458, 28968, 30672, 31620, 32589, 33015, 33480, 35216, 36210, 36720, 37417, 37944, 38340, 39618, 42160, 43452, 44020, 47430, 48280, 51120, 52824, 54315, 56916, 57936, 59427, 63240, 65178, 66030, 66960, 71145, 72420, 74834, 75888, 76680, 79236, 86904, 88040, 94860, 96560, 99045, 105648, 108630, 112251, 113832, 118854, 126480, 130356, 132060, 142290, 144840, 149668, 153360, 158472, 162945, 173808, 176080, 187085, 189720, 198090, 217260, 224502, 227664, 237708, 260712, 264120, 284580, 289680, 297135, 299336, 316944, 325890, 336753, 374170, 379440, 396180, 434520, 449004, 475416, 521424, 528240, 561255, 569160, 594270, 598672, 651780, 673506, 748340, 792360, 869040, 898008, 950832, 1010259, 1122510, 1138320, 1188540, 1303560, 1347012, 1496680, 1584720, 1683765, 1796016, 2020518, 2245020, 2377080, 2607120, 2694024, 2993360, 3367530, 4041036, 4490040, 4754160, 5051295, 5388048, 6735060, 8082072, 8980080, 10102590, 13470120, 16164144, 20205180, 26940240, 40410360, 80820720]

約数ペア:

[(1, 80820720), (2, 40410360), (3, 26940240), (4, 20205180), (5, 16164144), (6, 13470120), (8, 10102590), (9, 8980080), (10, 8082072), (12, 6735060), (15, 5388048), (16, 5051295), (17, 4754160), (18, 4490040), (20, 4041036), (24, 3367530), (27, 2993360), (30, 2694024), (31, 2607120), (34, 2377080), (36, 2245020), (40, 2020518), (45, 1796016), (48, 1683765), (51, 1584720), (54, 1496680), (60, 1347012), (62, 1303560), (68, 1188540), (71, 1138320), (72, 1122510), (80, 1010259), (85, 950832), (90, 898008), (93, 869040), (102, 792360), (108, 748340), (120, 673506), (124, 651780), (135, 598672), (136, 594270), (142, 569160), (144, 561255), (153, 528240), (155, 521424), (170, 475416), (180, 449004), (186, 434520), (204, 396180), (213, 379440), (216, 374170), (240, 336753), (248, 325890), (255, 316944), (270, 299336), (272, 297135), (279, 289680), (284, 284580), (306, 264120), (310, 260712), (340, 237708), (355, 227664), (360, 224502), (372, 217260), (408, 198090), (426, 189720), (432, 187085), (459, 176080), (465, 173808), (496, 162945), (510, 158472), (527, 153360), (540, 149668), (558, 144840), (568, 142290), (612, 132060), (620, 130356), (639, 126480), (680, 118854), (710, 113832), (720, 112251), (744, 108630), (765, 105648), (816, 99045), (837, 96560), (852, 94860), (918, 88040), (930, 86904), (1020, 79236), (1054, 76680), (1065, 75888), (1080, 74834), (1116, 72420), (1136, 71145), (1207, 66960), (1224, 66030), (1240, 65178), (1278, 63240), (1360, 59427), (1395, 57936), (1420, 56916), (1488, 54315), (1530, 52824), (1581, 51120), (1674, 48280), (1704, 47430), (1836, 44020), (1860, 43452), (1917, 42160), (2040, 39618), (2108, 38340), (2130, 37944), (2160, 37417), (2201, 36720), (2232, 36210), (2295, 35216), (2414, 33480), (2448, 33015), (2480, 32589), (2556, 31620), (2635, 30672), (2790, 28968), (2840, 28458), (3060, 26412), (3162, 25560), (3195, 25296), (3348, 24140), (3408, 23715), (3621, 22320), (3672, 22010), (3720, 21726), (3834, 21080), (4080, 19809), (4185, 19312), (4216, 19170), (4260, 18972), (4402, 18360), (4464, 18105), (4590, 17608), (4743, 17040), (4828, 16740), (5112, 15810), (5270, 15336), (5580, 14484), (5680, 14229), (6035, 13392), (6120, 13206), (6324, 12780), (6390, 12648), (6603, 12240), (6696, 12070), (7242, 11160), (7344, 11005), (7440, 10863), (7668, 10540), (7905, 10224), (8370, 9656), (8432, 9585), (8520, 9486), (8804, 9180)]