128663242320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{26641}}^1\times {\mathrm{20123}}^1$

素因数の和:46780

約数の個数: 80

約数和(自身を含む): 398890844352

約数和(自身を除く): 270227602032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 20123, 26641, 40246, 53282, 60369, 79923, 80492, 100615, 106564, 120738, 133205, 159846, 160984, 201230, 213128, 241476, 266410, 301845, 319692, 321968, 399615, 402460, 426256, 482952, 532820, 603690, 639384, 799230, 804920, 965904, 1065640, 1207380, 1278768, 1598460, 1609840, 2131280, 2414760, 3196920, 4829520, 6393840, 536096843, 1072193686, 1608290529, 2144387372, 2680484215, 3216581058, 4288774744, 5360968430, 6433162116, 8041452645, 8577549488, 10721936860, 12866324232, 16082905290, 21443873720, 25732648464, 32165810580, 42887747440, 64331621160, 128663242320]

約数ペア:

[(1, 128663242320), (2, 64331621160), (3, 42887747440), (4, 32165810580), (5, 25732648464), (6, 21443873720), (8, 16082905290), (10, 12866324232), (12, 10721936860), (15, 8577549488), (16, 8041452645), (20, 6433162116), (24, 5360968430), (30, 4288774744), (40, 3216581058), (48, 2680484215), (60, 2144387372), (80, 1608290529), (120, 1072193686), (240, 536096843), (20123, 6393840), (26641, 4829520), (40246, 3196920), (53282, 2414760), (60369, 2131280), (79923, 1609840), (80492, 1598460), (100615, 1278768), (106564, 1207380), (120738, 1065640), (133205, 965904), (159846, 804920), (160984, 799230), (201230, 639384), (213128, 603690), (241476, 532820), (266410, 482952), (301845, 426256), (319692, 402460), (321968, 399615)]