639348960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42967}}^1$

素因数の和:43016

約数の個数: 96

約数和(自身を含む): 2078963712

約数和(自身を除く): 1439614752

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, 42967, 85934, 128901, 171868, 214835, 257802, 343736, 429670, 515604, 644505, 687472, 859340, 1031208, 1289010, 1331977, 1374944, 1718680, 2062416, 2578020, 2663954, 3437360, 3995931, 4124832, 5156040, 5327908, 6659885, 6874720, 7991862, 10312080, 10655816, 13319770, 15983724, 19979655, 20624160, 21311632, 26639540, 31967448, 39959310, 42623264, 53279080, 63934896, 79918620, 106558160, 127869792, 159837240, 213116320, 319674480, 639348960]

約数ペア:

[(1, 639348960), (2, 319674480), (3, 213116320), (4, 159837240), (5, 127869792), (6, 106558160), (8, 79918620), (10, 63934896), (12, 53279080), (15, 42623264), (16, 39959310), (20, 31967448), (24, 26639540), (30, 21311632), (31, 20624160), (32, 19979655), (40, 15983724), (48, 13319770), (60, 10655816), (62, 10312080), (80, 7991862), (93, 6874720), (96, 6659885), (120, 5327908), (124, 5156040), (155, 4124832), (160, 3995931), (186, 3437360), (240, 2663954), (248, 2578020), (310, 2062416), (372, 1718680), (465, 1374944), (480, 1331977), (496, 1289010), (620, 1031208), (744, 859340), (930, 687472), (992, 644505), (1240, 515604), (1488, 429670), (1860, 343736), (2480, 257802), (2976, 214835), (3720, 171868), (4960, 128901), (7440, 85934), (14880, 42967)]