240283980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 753611040

約数和(自身を除く): 513327060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 89, 90, 106, 159, 178, 180, 212, 265, 267, 283, 318, 356, 445, 477, 530, 534, 566, 636, 795, 801, 849, 890, 954, 1060, 1068, 1132, 1335, 1415, 1590, 1602, 1698, 1780, 1908, 2385, 2547, 2670, 2830, 3180, 3204, 3396, 4005, 4245, 4717, 4770, 5094, 5340, 5660, 8010, 8490, 9434, 9540, 10188, 12735, 14151, 14999, 16020, 16980, 18868, 23585, 25187, 25470, 28302, 29998, 42453, 44997, 47170, 50374, 50940, 56604, 59996, 70755, 74995, 75561, 84906, 89994, 94340, 100748, 125935, 134991, 141510, 149990, 151122, 169812, 179988, 212265, 224985, 226683, 251870, 269982, 283020, 299980, 302244, 377805, 424530, 449970, 453366, 503740, 539964, 674955, 755610, 849060, 899940, 906732, 1133415, 1334911, 1349910, 1511220, 2266830, 2669822, 2699820, 4004733, 4533660, 5339644, 6674555, 8009466, 12014199, 13349110, 16018932, 20023665, 24028398, 26698220, 40047330, 48056796, 60070995, 80094660, 120141990, 240283980]

約数ペア:

[(1, 240283980), (2, 120141990), (3, 80094660), (4, 60070995), (5, 48056796), (6, 40047330), (9, 26698220), (10, 24028398), (12, 20023665), (15, 16018932), (18, 13349110), (20, 12014199), (30, 8009466), (36, 6674555), (45, 5339644), (53, 4533660), (60, 4004733), (89, 2699820), (90, 2669822), (106, 2266830), (159, 1511220), (178, 1349910), (180, 1334911), (212, 1133415), (265, 906732), (267, 899940), (283, 849060), (318, 755610), (356, 674955), (445, 539964), (477, 503740), (530, 453366), (534, 449970), (566, 424530), (636, 377805), (795, 302244), (801, 299980), (849, 283020), (890, 269982), (954, 251870), (1060, 226683), (1068, 224985), (1132, 212265), (1335, 179988), (1415, 169812), (1590, 151122), (1602, 149990), (1698, 141510), (1780, 134991), (1908, 125935), (2385, 100748), (2547, 94340), (2670, 89994), (2830, 84906), (3180, 75561), (3204, 74995), (3396, 70755), (4005, 59996), (4245, 56604), (4717, 50940), (4770, 50374), (5094, 47170), (5340, 44997), (5660, 42453), (8010, 29998), (8490, 28302), (9434, 25470), (9540, 25187), (10188, 23585), (12735, 18868), (14151, 16980), (14999, 16020)]