279968520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1$

素因数の和:1135

約数の個数: 128

約数和(自身を含む): 910103040

約数和(自身を除く): 630134520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 780, 788, 911, 985, 1182, 1560, 1576, 1822, 1970, 2364, 2561, 2733, 2955, 3644, 3940, 4555, 4728, 5122, 5466, 5910, 7288, 7683, 7880, 9110, 10244, 10932, 11820, 11843, 12805, 13665, 15366, 18220, 20488, 21864, 23640, 23686, 25610, 27330, 30732, 35529, 36440, 38415, 47372, 51220, 54660, 59215, 61464, 71058, 76830, 94744, 102440, 109320, 118430, 142116, 153660, 177645, 179467, 236860, 284232, 307320, 355290, 358934, 473720, 538401, 710580, 717868, 897335, 1076802, 1421160, 1435736, 1794670, 2153604, 2333071, 2692005, 3589340, 4307208, 4666142, 5384010, 6999213, 7178680, 9332284, 10768020, 11665355, 13998426, 18664568, 21536040, 23330710, 27996852, 34996065, 46661420, 55993704, 69992130, 93322840, 139984260, 279968520]

約数ペア:

[(1, 279968520), (2, 139984260), (3, 93322840), (4, 69992130), (5, 55993704), (6, 46661420), (8, 34996065), (10, 27996852), (12, 23330710), (13, 21536040), (15, 18664568), (20, 13998426), (24, 11665355), (26, 10768020), (30, 9332284), (39, 7178680), (40, 6999213), (52, 5384010), (60, 4666142), (65, 4307208), (78, 3589340), (104, 2692005), (120, 2333071), (130, 2153604), (156, 1794670), (195, 1435736), (197, 1421160), (260, 1076802), (312, 897335), (390, 717868), (394, 710580), (520, 538401), (591, 473720), (780, 358934), (788, 355290), (911, 307320), (985, 284232), (1182, 236860), (1560, 179467), (1576, 177645), (1822, 153660), (1970, 142116), (2364, 118430), (2561, 109320), (2733, 102440), (2955, 94744), (3644, 76830), (3940, 71058), (4555, 61464), (4728, 59215), (5122, 54660), (5466, 51220), (5910, 47372), (7288, 38415), (7683, 36440), (7880, 35529), (9110, 30732), (10244, 27330), (10932, 25610), (11820, 23686), (11843, 23640), (12805, 21864), (13665, 20488), (15366, 18220)]