87981840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1481

約数の個数: 120

約数和(自身を含む): 299009880

約数和(自身を除く): 211028040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1335, 1373, 1424, 1602, 1780, 2136, 2670, 2746, 3204, 3560, 4005, 4119, 4272, 5340, 5492, 6408, 6865, 7120, 8010, 8238, 10680, 10984, 12357, 12816, 13730, 16020, 16476, 20595, 21360, 21968, 24714, 27460, 32040, 32952, 41190, 49428, 54920, 61785, 64080, 65904, 82380, 98856, 109840, 122197, 123570, 164760, 197712, 244394, 247140, 329520, 366591, 488788, 494280, 610985, 733182, 977576, 988560, 1099773, 1221970, 1466364, 1832955, 1955152, 2199546, 2443940, 2932728, 3665910, 4399092, 4887880, 5498865, 5865456, 7331820, 8798184, 9775760, 10997730, 14663640, 17596368, 21995460, 29327280, 43990920, 87981840]

約数ペア:

[(1, 87981840), (2, 43990920), (3, 29327280), (4, 21995460), (5, 17596368), (6, 14663640), (8, 10997730), (9, 9775760), (10, 8798184), (12, 7331820), (15, 5865456), (16, 5498865), (18, 4887880), (20, 4399092), (24, 3665910), (30, 2932728), (36, 2443940), (40, 2199546), (45, 1955152), (48, 1832955), (60, 1466364), (72, 1221970), (80, 1099773), (89, 988560), (90, 977576), (120, 733182), (144, 610985), (178, 494280), (180, 488788), (240, 366591), (267, 329520), (356, 247140), (360, 244394), (445, 197712), (534, 164760), (712, 123570), (720, 122197), (801, 109840), (890, 98856), (1068, 82380), (1335, 65904), (1373, 64080), (1424, 61785), (1602, 54920), (1780, 49428), (2136, 41190), (2670, 32952), (2746, 32040), (3204, 27460), (3560, 24714), (4005, 21968), (4119, 21360), (4272, 20595), (5340, 16476), (5492, 16020), (6408, 13730), (6865, 12816), (7120, 12357), (8010, 10984), (8238, 10680)]