788989860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 2452103472

約数和(自身を除く): 1663113612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 181, 183, 244, 305, 362, 366, 397, 543, 549, 610, 724, 732, 794, 905, 915, 1086, 1098, 1191, 1220, 1588, 1629, 1810, 1830, 1985, 2172, 2196, 2382, 2715, 2745, 3258, 3573, 3620, 3660, 3970, 4764, 5430, 5490, 5955, 6516, 7146, 7940, 8145, 10860, 10980, 11041, 11910, 14292, 16290, 17865, 22082, 23820, 24217, 32580, 33123, 35730, 44164, 48434, 55205, 66246, 71460, 71857, 72651, 96868, 99369, 110410, 121085, 132492, 143714, 145302, 165615, 198738, 215571, 217953, 220820, 242170, 287428, 290604, 331230, 359285, 363255, 397476, 431142, 435906, 484340, 496845, 646713, 662460, 718570, 726510, 862284, 871812, 993690, 1077855, 1089765, 1293426, 1437140, 1453020, 1987380, 2155710, 2179530, 2586852, 3233565, 4311420, 4359060, 4383277, 6467130, 8766554, 12934260, 13149831, 17533108, 21916385, 26299662, 39449493, 43832770, 52599324, 65749155, 78898986, 87665540, 131498310, 157797972, 197247465, 262996620, 394494930, 788989860]

約数ペア:

[(1, 788989860), (2, 394494930), (3, 262996620), (4, 197247465), (5, 157797972), (6, 131498310), (9, 87665540), (10, 78898986), (12, 65749155), (15, 52599324), (18, 43832770), (20, 39449493), (30, 26299662), (36, 21916385), (45, 17533108), (60, 13149831), (61, 12934260), (90, 8766554), (122, 6467130), (180, 4383277), (181, 4359060), (183, 4311420), (244, 3233565), (305, 2586852), (362, 2179530), (366, 2155710), (397, 1987380), (543, 1453020), (549, 1437140), (610, 1293426), (724, 1089765), (732, 1077855), (794, 993690), (905, 871812), (915, 862284), (1086, 726510), (1098, 718570), (1191, 662460), (1220, 646713), (1588, 496845), (1629, 484340), (1810, 435906), (1830, 431142), (1985, 397476), (2172, 363255), (2196, 359285), (2382, 331230), (2715, 290604), (2745, 287428), (3258, 242170), (3573, 220820), (3620, 217953), (3660, 215571), (3970, 198738), (4764, 165615), (5430, 145302), (5490, 143714), (5955, 132492), (6516, 121085), (7146, 110410), (7940, 99369), (8145, 96868), (10860, 72651), (10980, 71857), (11041, 71460), (11910, 66246), (14292, 55205), (16290, 48434), (17865, 44164), (22082, 35730), (23820, 33123), (24217, 32580)]