81141552

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 244508160

約数和(自身を除く): 163366608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 47, 48, 57, 72, 76, 94, 114, 141, 144, 152, 171, 188, 228, 282, 304, 342, 376, 423, 456, 564, 631, 684, 752, 846, 893, 912, 1128, 1262, 1368, 1692, 1786, 1893, 2256, 2524, 2679, 2736, 3384, 3572, 3786, 5048, 5358, 5679, 6768, 7144, 7572, 8037, 10096, 10716, 11358, 11989, 14288, 15144, 16074, 21432, 22716, 23978, 29657, 30288, 32148, 35967, 42864, 45432, 47956, 59314, 64296, 71934, 88971, 90864, 95912, 107901, 118628, 128592, 143868, 177942, 191824, 215802, 237256, 266913, 287736, 355884, 431604, 474512, 533826, 563483, 575472, 711768, 863208, 1067652, 1126966, 1423536, 1690449, 1726416, 2135304, 2253932, 3380898, 4270608, 4507864, 5071347, 6761796, 9015728, 10142694, 13523592, 20285388, 27047184, 40570776, 81141552]

約数ペア:

[(1, 81141552), (2, 40570776), (3, 27047184), (4, 20285388), (6, 13523592), (8, 10142694), (9, 9015728), (12, 6761796), (16, 5071347), (18, 4507864), (19, 4270608), (24, 3380898), (36, 2253932), (38, 2135304), (47, 1726416), (48, 1690449), (57, 1423536), (72, 1126966), (76, 1067652), (94, 863208), (114, 711768), (141, 575472), (144, 563483), (152, 533826), (171, 474512), (188, 431604), (228, 355884), (282, 287736), (304, 266913), (342, 237256), (376, 215802), (423, 191824), (456, 177942), (564, 143868), (631, 128592), (684, 118628), (752, 107901), (846, 95912), (893, 90864), (912, 88971), (1128, 71934), (1262, 64296), (1368, 59314), (1692, 47956), (1786, 45432), (1893, 42864), (2256, 35967), (2524, 32148), (2679, 30288), (2736, 29657), (3384, 23978), (3572, 22716), (3786, 21432), (5048, 16074), (5358, 15144), (5679, 14288), (6768, 11989), (7144, 11358), (7572, 10716), (8037, 10096)]