61680840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 128

約数和(自身を含む): 209865600

約数和(自身を除く): 148184760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2081, 2280, 2470, 2964, 3705, 4162, 4940, 5928, 6243, 7410, 8324, 9880, 10405, 12486, 14820, 16648, 20810, 24972, 27053, 29640, 31215, 39539, 41620, 49944, 54106, 62430, 79078, 81159, 83240, 108212, 118617, 124860, 135265, 158156, 162318, 197695, 216424, 237234, 249720, 270530, 316312, 324636, 395390, 405795, 474468, 514007, 541060, 593085, 649272, 790780, 811590, 948936, 1028014, 1082120, 1186170, 1542021, 1581560, 1623180, 2056028, 2372340, 2570035, 3084042, 3246360, 4112056, 4744680, 5140070, 6168084, 7710105, 10280140, 12336168, 15420210, 20560280, 30840420, 61680840]

約数ペア:

[(1, 61680840), (2, 30840420), (3, 20560280), (4, 15420210), (5, 12336168), (6, 10280140), (8, 7710105), (10, 6168084), (12, 5140070), (13, 4744680), (15, 4112056), (19, 3246360), (20, 3084042), (24, 2570035), (26, 2372340), (30, 2056028), (38, 1623180), (39, 1581560), (40, 1542021), (52, 1186170), (57, 1082120), (60, 1028014), (65, 948936), (76, 811590), (78, 790780), (95, 649272), (104, 593085), (114, 541060), (120, 514007), (130, 474468), (152, 405795), (156, 395390), (190, 324636), (195, 316312), (228, 270530), (247, 249720), (260, 237234), (285, 216424), (312, 197695), (380, 162318), (390, 158156), (456, 135265), (494, 124860), (520, 118617), (570, 108212), (741, 83240), (760, 81159), (780, 79078), (988, 62430), (1140, 54106), (1235, 49944), (1482, 41620), (1560, 39539), (1976, 31215), (2081, 29640), (2280, 27053), (2470, 24972), (2964, 20810), (3705, 16648), (4162, 14820), (4940, 12486), (5928, 10405), (6243, 9880), (7410, 8324)]