164271990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 402734592

約数和(自身を除く): 238462602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 233, 331, 355, 426, 466, 662, 699, 710, 993, 1065, 1165, 1398, 1655, 1986, 2130, 2330, 3310, 3495, 4965, 6990, 9930, 16543, 23501, 33086, 47002, 49629, 70503, 77123, 82715, 99258, 117505, 141006, 154246, 165430, 231369, 235010, 248145, 352515, 385615, 462738, 496290, 705030, 771230, 1156845, 2313690, 5475733, 10951466, 16427199, 27378665, 32854398, 54757330, 82135995, 164271990]

約数ペア:

[(1, 164271990), (2, 82135995), (3, 54757330), (5, 32854398), (6, 27378665), (10, 16427199), (15, 10951466), (30, 5475733), (71, 2313690), (142, 1156845), (213, 771230), (233, 705030), (331, 496290), (355, 462738), (426, 385615), (466, 352515), (662, 248145), (699, 235010), (710, 231369), (993, 165430), (1065, 154246), (1165, 141006), (1398, 117505), (1655, 99258), (1986, 82715), (2130, 77123), (2330, 70503), (3310, 49629), (3495, 47002), (4965, 33086), (6990, 23501), (9930, 16543)]