16859440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 44930160

約数和(自身を除く): 28070720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 43, 52, 58, 65, 80, 86, 104, 116, 130, 145, 169, 172, 208, 215, 232, 260, 290, 338, 344, 377, 430, 464, 520, 559, 580, 676, 688, 754, 845, 860, 1040, 1118, 1160, 1247, 1352, 1508, 1690, 1720, 1885, 2236, 2320, 2494, 2704, 2795, 3016, 3380, 3440, 3770, 4472, 4901, 4988, 5590, 6032, 6235, 6760, 7267, 7540, 8944, 9802, 9976, 11180, 12470, 13520, 14534, 15080, 16211, 19604, 19952, 22360, 24505, 24940, 29068, 30160, 32422, 36335, 39208, 44720, 49010, 49880, 58136, 64844, 72670, 78416, 81055, 98020, 99760, 116272, 129688, 145340, 162110, 196040, 210743, 259376, 290680, 324220, 392080, 421486, 581360, 648440, 842972, 1053715, 1296880, 1685944, 2107430, 3371888, 4214860, 8429720, 16859440]

約数ペア:

[(1, 16859440), (2, 8429720), (4, 4214860), (5, 3371888), (8, 2107430), (10, 1685944), (13, 1296880), (16, 1053715), (20, 842972), (26, 648440), (29, 581360), (40, 421486), (43, 392080), (52, 324220), (58, 290680), (65, 259376), (80, 210743), (86, 196040), (104, 162110), (116, 145340), (130, 129688), (145, 116272), (169, 99760), (172, 98020), (208, 81055), (215, 78416), (232, 72670), (260, 64844), (290, 58136), (338, 49880), (344, 49010), (377, 44720), (430, 39208), (464, 36335), (520, 32422), (559, 30160), (580, 29068), (676, 24940), (688, 24505), (754, 22360), (845, 19952), (860, 19604), (1040, 16211), (1118, 15080), (1160, 14534), (1247, 13520), (1352, 12470), (1508, 11180), (1690, 9976), (1720, 9802), (1885, 8944), (2236, 7540), (2320, 7267), (2494, 6760), (2704, 6235), (2795, 6032), (3016, 5590), (3380, 4988), (3440, 4901), (3770, 4472)]