30840420

素因数分解:

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

素因数の和:2125

約数の個数: 96

約数和(自身を含む): 97937280

約数和(自身を除く): 67096860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2081, 2470, 2964, 3705, 4162, 4940, 6243, 7410, 8324, 10405, 12486, 14820, 20810, 24972, 27053, 31215, 39539, 41620, 54106, 62430, 79078, 81159, 108212, 118617, 124860, 135265, 158156, 162318, 197695, 237234, 270530, 324636, 395390, 405795, 474468, 514007, 541060, 593085, 790780, 811590, 1028014, 1186170, 1542021, 1623180, 2056028, 2372340, 2570035, 3084042, 5140070, 6168084, 7710105, 10280140, 15420210, 30840420]

約数ペア:

[(1, 30840420), (2, 15420210), (3, 10280140), (4, 7710105), (5, 6168084), (6, 5140070), (10, 3084042), (12, 2570035), (13, 2372340), (15, 2056028), (19, 1623180), (20, 1542021), (26, 1186170), (30, 1028014), (38, 811590), (39, 790780), (52, 593085), (57, 541060), (60, 514007), (65, 474468), (76, 405795), (78, 395390), (95, 324636), (114, 270530), (130, 237234), (156, 197695), (190, 162318), (195, 158156), (228, 135265), (247, 124860), (260, 118617), (285, 108212), (380, 81159), (390, 79078), (494, 62430), (570, 54106), (741, 41620), (780, 39539), (988, 31215), (1140, 27053), (1235, 24972), (1482, 20810), (2081, 14820), (2470, 12486), (2964, 10405), (3705, 8324), (4162, 7410), (4940, 6243)]