256784160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17257}}^1$

素因数の和:17306

約数の個数: 96

約数和(自身を含む): 835011072

約数和(自身を除く): 578226912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 17257, 34514, 51771, 69028, 86285, 103542, 138056, 172570, 207084, 258855, 276112, 345140, 414168, 517710, 534967, 552224, 690280, 828336, 1035420, 1069934, 1380560, 1604901, 1656672, 2070840, 2139868, 2674835, 2761120, 3209802, 4141680, 4279736, 5349670, 6419604, 8024505, 8283360, 8559472, 10699340, 12839208, 16049010, 17118944, 21398680, 25678416, 32098020, 42797360, 51356832, 64196040, 85594720, 128392080, 256784160]

約数ペア:

[(1, 256784160), (2, 128392080), (3, 85594720), (4, 64196040), (5, 51356832), (6, 42797360), (8, 32098020), (10, 25678416), (12, 21398680), (15, 17118944), (16, 16049010), (20, 12839208), (24, 10699340), (30, 8559472), (31, 8283360), (32, 8024505), (40, 6419604), (48, 5349670), (60, 4279736), (62, 4141680), (80, 3209802), (93, 2761120), (96, 2674835), (120, 2139868), (124, 2070840), (155, 1656672), (160, 1604901), (186, 1380560), (240, 1069934), (248, 1035420), (310, 828336), (372, 690280), (465, 552224), (480, 534967), (496, 517710), (620, 414168), (744, 345140), (930, 276112), (992, 258855), (1240, 207084), (1488, 172570), (1860, 138056), (2480, 103542), (2976, 86285), (3720, 69028), (4960, 51771), (7440, 34514), (14880, 17257)]