18946320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 59460480

約数和(自身を除く): 40514160

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, 887, 890, 1068, 1335, 1424, 1774, 1780, 2136, 2661, 2670, 3548, 3560, 4272, 4435, 5322, 5340, 7096, 7120, 8870, 10644, 10680, 13305, 14192, 17740, 21288, 21360, 26610, 35480, 42576, 53220, 70960, 78943, 106440, 157886, 212880, 236829, 315772, 394715, 473658, 631544, 789430, 947316, 1184145, 1263088, 1578860, 1894632, 2368290, 3157720, 3789264, 4736580, 6315440, 9473160, 18946320]

約数ペア:

[(1, 18946320), (2, 9473160), (3, 6315440), (4, 4736580), (5, 3789264), (6, 3157720), (8, 2368290), (10, 1894632), (12, 1578860), (15, 1263088), (16, 1184145), (20, 947316), (24, 789430), (30, 631544), (40, 473658), (48, 394715), (60, 315772), (80, 236829), (89, 212880), (120, 157886), (178, 106440), (240, 78943), (267, 70960), (356, 53220), (445, 42576), (534, 35480), (712, 26610), (887, 21360), (890, 21288), (1068, 17740), (1335, 14192), (1424, 13305), (1774, 10680), (1780, 10644), (2136, 8870), (2661, 7120), (2670, 7096), (3548, 5340), (3560, 5322), (4272, 4435)]