685205128920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{991499}}^1$

素因数の和:991969

約数の個数: 128

約数和(自身を含む): 2218739040000

約数和(自身を除く): 1533533911080

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, 260, 312, 390, 443, 520, 780, 886, 1329, 1560, 1772, 2215, 2658, 3544, 4430, 5316, 5759, 6645, 8860, 10632, 11518, 13290, 17277, 17720, 23036, 26580, 28795, 34554, 46072, 53160, 57590, 69108, 86385, 115180, 138216, 172770, 230360, 345540, 691080, 991499, 1982998, 2974497, 3965996, 4957495, 5948994, 7931992, 9914990, 11897988, 12889487, 14872485, 19829980, 23795976, 25778974, 29744970, 38668461, 39659960, 51557948, 59489940, 64447435, 77336922, 103115896, 118979880, 128894870, 154673844, 193342305, 257789740, 309347688, 386684610, 439234057, 515579480, 773369220, 878468114, 1317702171, 1546738440, 1756936228, 2196170285, 2635404342, 3513872456, 4392340570, 5270808684, 5710042741, 6588510855, 8784681140, 10541617368, 11420085482, 13177021710, 17130128223, 17569362280, 22840170964, 26354043420, 28550213705, 34260256446, 45680341928, 52708086840, 57100427410, 68520512892, 85650641115, 114200854820, 137041025784, 171301282230, 228401709640, 342602564460, 685205128920]

約数ペア:

[(1, 685205128920), (2, 342602564460), (3, 228401709640), (4, 171301282230), (5, 137041025784), (6, 114200854820), (8, 85650641115), (10, 68520512892), (12, 57100427410), (13, 52708086840), (15, 45680341928), (20, 34260256446), (24, 28550213705), (26, 26354043420), (30, 22840170964), (39, 17569362280), (40, 17130128223), (52, 13177021710), (60, 11420085482), (65, 10541617368), (78, 8784681140), (104, 6588510855), (120, 5710042741), (130, 5270808684), (156, 4392340570), (195, 3513872456), (260, 2635404342), (312, 2196170285), (390, 1756936228), (443, 1546738440), (520, 1317702171), (780, 878468114), (886, 773369220), (1329, 515579480), (1560, 439234057), (1772, 386684610), (2215, 309347688), (2658, 257789740), (3544, 193342305), (4430, 154673844), (5316, 128894870), (5759, 118979880), (6645, 103115896), (8860, 77336922), (10632, 64447435), (11518, 59489940), (13290, 51557948), (17277, 39659960), (17720, 38668461), (23036, 29744970), (26580, 25778974), (28795, 23795976), (34554, 19829980), (46072, 14872485), (53160, 12889487), (57590, 11897988), (69108, 9914990), (86385, 7931992), (115180, 5948994), (138216, 4957495), (172770, 3965996), (230360, 2974497), (345540, 1982998), (691080, 991499)]