42042390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 117089280

約数和(自身を除く): 75046890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 43, 46, 65, 69, 78, 86, 109, 115, 129, 130, 138, 195, 215, 218, 230, 258, 299, 327, 345, 390, 430, 545, 559, 598, 645, 654, 690, 897, 989, 1090, 1118, 1290, 1417, 1495, 1635, 1677, 1794, 1978, 2507, 2795, 2834, 2967, 2990, 3270, 3354, 4251, 4485, 4687, 4945, 5014, 5590, 5934, 7085, 7521, 8385, 8502, 8970, 9374, 9890, 12535, 12857, 14061, 14170, 14835, 15042, 16770, 21255, 23435, 25070, 25714, 28122, 29670, 32591, 37605, 38571, 42510, 46870, 60931, 64285, 65182, 70305, 75210, 77142, 97773, 107801, 121862, 128570, 140610, 162955, 182793, 192855, 195546, 215602, 304655, 323403, 325910, 365586, 385710, 488865, 539005, 609310, 646806, 913965, 977730, 1078010, 1401413, 1617015, 1827930, 2802826, 3234030, 4204239, 7007065, 8408478, 14014130, 21021195, 42042390]

約数ペア:

[(1, 42042390), (2, 21021195), (3, 14014130), (5, 8408478), (6, 7007065), (10, 4204239), (13, 3234030), (15, 2802826), (23, 1827930), (26, 1617015), (30, 1401413), (39, 1078010), (43, 977730), (46, 913965), (65, 646806), (69, 609310), (78, 539005), (86, 488865), (109, 385710), (115, 365586), (129, 325910), (130, 323403), (138, 304655), (195, 215602), (215, 195546), (218, 192855), (230, 182793), (258, 162955), (299, 140610), (327, 128570), (345, 121862), (390, 107801), (430, 97773), (545, 77142), (559, 75210), (598, 70305), (645, 65182), (654, 64285), (690, 60931), (897, 46870), (989, 42510), (1090, 38571), (1118, 37605), (1290, 32591), (1417, 29670), (1495, 28122), (1635, 25714), (1677, 25070), (1794, 23435), (1978, 21255), (2507, 16770), (2795, 15042), (2834, 14835), (2967, 14170), (2990, 14061), (3270, 12857), (3354, 12535), (4251, 9890), (4485, 9374), (4687, 8970), (4945, 8502), (5014, 8385), (5590, 7521), (5934, 7085)]