19629840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 41973360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 919, 1068, 1335, 1424, 1780, 1838, 2136, 2670, 2757, 3560, 3676, 4272, 4595, 5340, 5514, 7120, 7352, 9190, 10680, 11028, 13785, 14704, 18380, 21360, 22056, 27570, 36760, 44112, 55140, 73520, 81791, 110280, 163582, 220560, 245373, 327164, 408955, 490746, 654328, 817910, 981492, 1226865, 1308656, 1635820, 1962984, 2453730, 3271640, 3925968, 4907460, 6543280, 9814920, 19629840]

約数ペア:

[(1, 19629840), (2, 9814920), (3, 6543280), (4, 4907460), (5, 3925968), (6, 3271640), (8, 2453730), (10, 1962984), (12, 1635820), (15, 1308656), (16, 1226865), (20, 981492), (24, 817910), (30, 654328), (40, 490746), (48, 408955), (60, 327164), (80, 245373), (89, 220560), (120, 163582), (178, 110280), (240, 81791), (267, 73520), (356, 55140), (445, 44112), (534, 36760), (712, 27570), (890, 22056), (919, 21360), (1068, 18380), (1335, 14704), (1424, 13785), (1780, 11028), (1838, 10680), (2136, 9190), (2670, 7352), (2757, 7120), (3560, 5514), (3676, 5340), (4272, 4595)]