391631520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{16651}}^1$

素因数の和:16683

約数の個数: 144

約数和(自身を含む): 1435135968

約数和(自身を除く): 1043504448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 16651, 23520, 33302, 49953, 66604, 83255, 99906, 116557, 133208, 166510, 199812, 233114, 249765, 266416, 333020, 349671, 399624, 466228, 499530, 532832, 582785, 666040, 699342, 799248, 815899, 932456, 999060, 1165570, 1332080, 1398684, 1598496, 1631798, 1748355, 1864912, 1998120, 2331140, 2447697, 2664160, 2797368, 3263596, 3496710, 3729824, 3996240, 4079495, 4662280, 4895394, 5594736, 6527192, 6993420, 7992480, 8158990, 9324560, 9790788, 11189472, 12238485, 13054384, 13986840, 16317980, 18649120, 19581576, 24476970, 26108768, 27973680, 32635960, 39163152, 48953940, 55947360, 65271920, 78326304, 97907880, 130543840, 195815760, 391631520]

約数ペア:

[(1, 391631520), (2, 195815760), (3, 130543840), (4, 97907880), (5, 78326304), (6, 65271920), (7, 55947360), (8, 48953940), (10, 39163152), (12, 32635960), (14, 27973680), (15, 26108768), (16, 24476970), (20, 19581576), (21, 18649120), (24, 16317980), (28, 13986840), (30, 13054384), (32, 12238485), (35, 11189472), (40, 9790788), (42, 9324560), (48, 8158990), (49, 7992480), (56, 6993420), (60, 6527192), (70, 5594736), (80, 4895394), (84, 4662280), (96, 4079495), (98, 3996240), (105, 3729824), (112, 3496710), (120, 3263596), (140, 2797368), (147, 2664160), (160, 2447697), (168, 2331140), (196, 1998120), (210, 1864912), (224, 1748355), (240, 1631798), (245, 1598496), (280, 1398684), (294, 1332080), (336, 1165570), (392, 999060), (420, 932456), (480, 815899), (490, 799248), (560, 699342), (588, 666040), (672, 582785), (735, 532832), (784, 499530), (840, 466228), (980, 399624), (1120, 349671), (1176, 333020), (1470, 266416), (1568, 249765), (1680, 233114), (1960, 199812), (2352, 166510), (2940, 133208), (3360, 116557), (3920, 99906), (4704, 83255), (5880, 66604), (7840, 49953), (11760, 33302), (16651, 23520)]