1687440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 5356800

約数和(自身を除く): 3669360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 89, 120, 158, 178, 237, 240, 267, 316, 356, 395, 445, 474, 534, 632, 712, 790, 890, 948, 1068, 1185, 1264, 1335, 1424, 1580, 1780, 1896, 2136, 2370, 2670, 3160, 3560, 3792, 4272, 4740, 5340, 6320, 7031, 7120, 9480, 10680, 14062, 18960, 21093, 21360, 28124, 35155, 42186, 56248, 70310, 84372, 105465, 112496, 140620, 168744, 210930, 281240, 337488, 421860, 562480, 843720, 1687440]

約数ペア:

[(1, 1687440), (2, 843720), (3, 562480), (4, 421860), (5, 337488), (6, 281240), (8, 210930), (10, 168744), (12, 140620), (15, 112496), (16, 105465), (20, 84372), (24, 70310), (30, 56248), (40, 42186), (48, 35155), (60, 28124), (79, 21360), (80, 21093), (89, 18960), (120, 14062), (158, 10680), (178, 9480), (237, 7120), (240, 7031), (267, 6320), (316, 5340), (356, 4740), (395, 4272), (445, 3792), (474, 3560), (534, 3160), (632, 2670), (712, 2370), (790, 2136), (890, 1896), (948, 1780), (1068, 1580), (1185, 1424), (1264, 1335)]