421542420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6841}}^1$

素因数の和:6945

約数の個数: 96

約数和(自身を含む): 1287390720

約数和(自身を除く): 865848300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1185, 1580, 2054, 2370, 3081, 4108, 4740, 5135, 6162, 6841, 10270, 12324, 13682, 15405, 20523, 20540, 27364, 30810, 34205, 41046, 61620, 68410, 82092, 88933, 102615, 136820, 177866, 205230, 266799, 355732, 410460, 444665, 533598, 540439, 889330, 1067196, 1080878, 1333995, 1621317, 1778660, 2161756, 2667990, 2702195, 3242634, 5335980, 5404390, 6485268, 7025707, 8106585, 10808780, 14051414, 16213170, 21077121, 28102828, 32426340, 35128535, 42154242, 70257070, 84308484, 105385605, 140514140, 210771210, 421542420]

約数ペア:

[(1, 421542420), (2, 210771210), (3, 140514140), (4, 105385605), (5, 84308484), (6, 70257070), (10, 42154242), (12, 35128535), (13, 32426340), (15, 28102828), (20, 21077121), (26, 16213170), (30, 14051414), (39, 10808780), (52, 8106585), (60, 7025707), (65, 6485268), (78, 5404390), (79, 5335980), (130, 3242634), (156, 2702195), (158, 2667990), (195, 2161756), (237, 1778660), (260, 1621317), (316, 1333995), (390, 1080878), (395, 1067196), (474, 889330), (780, 540439), (790, 533598), (948, 444665), (1027, 410460), (1185, 355732), (1580, 266799), (2054, 205230), (2370, 177866), (3081, 136820), (4108, 102615), (4740, 88933), (5135, 82092), (6162, 68410), (6841, 61620), (10270, 41046), (12324, 34205), (13682, 30810), (15405, 27364), (20523, 20540)]