991413840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{2281}}^1$

素因数の和:4108

約数の個数: 80

約数和(自身を含む): 3076428096

約数和(自身を除く): 2085014256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1811, 2281, 3622, 4562, 5433, 6843, 7244, 9055, 9124, 10866, 11405, 13686, 14488, 18110, 18248, 21732, 22810, 27165, 27372, 28976, 34215, 36220, 36496, 43464, 45620, 54330, 54744, 68430, 72440, 86928, 91240, 108660, 109488, 136860, 144880, 182480, 217320, 273720, 434640, 547440, 4130891, 8261782, 12392673, 16523564, 20654455, 24785346, 33047128, 41308910, 49570692, 61963365, 66094256, 82617820, 99141384, 123926730, 165235640, 198282768, 247853460, 330471280, 495706920, 991413840]

約数ペア:

[(1, 991413840), (2, 495706920), (3, 330471280), (4, 247853460), (5, 198282768), (6, 165235640), (8, 123926730), (10, 99141384), (12, 82617820), (15, 66094256), (16, 61963365), (20, 49570692), (24, 41308910), (30, 33047128), (40, 24785346), (48, 20654455), (60, 16523564), (80, 12392673), (120, 8261782), (240, 4130891), (1811, 547440), (2281, 434640), (3622, 273720), (4562, 217320), (5433, 182480), (6843, 144880), (7244, 136860), (9055, 109488), (9124, 108660), (10866, 91240), (11405, 86928), (13686, 72440), (14488, 68430), (18110, 54744), (18248, 54330), (21732, 45620), (22810, 43464), (27165, 36496), (27372, 36220), (28976, 34215)]