74320640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 183861888

約数和(自身を除く): 109541248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1873, 1984, 2480, 3746, 3968, 4960, 7492, 7936, 9365, 9920, 14984, 18730, 19840, 29968, 37460, 39680, 58063, 59936, 74920, 116126, 119872, 149840, 232252, 239744, 290315, 299680, 464504, 479488, 580630, 599360, 929008, 1161260, 1198720, 1858016, 2322520, 2397440, 3716032, 4645040, 7432064, 9290080, 14864128, 18580160, 37160320, 74320640]

約数ペア:

[(1, 74320640), (2, 37160320), (4, 18580160), (5, 14864128), (8, 9290080), (10, 7432064), (16, 4645040), (20, 3716032), (31, 2397440), (32, 2322520), (40, 1858016), (62, 1198720), (64, 1161260), (80, 929008), (124, 599360), (128, 580630), (155, 479488), (160, 464504), (248, 299680), (256, 290315), (310, 239744), (320, 232252), (496, 149840), (620, 119872), (640, 116126), (992, 74920), (1240, 59936), (1280, 58063), (1873, 39680), (1984, 37460), (2480, 29968), (3746, 19840), (3968, 18730), (4960, 14984), (7492, 9920), (7936, 9365)]