81574950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 213414912

約数和(自身を除く): 131839962

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 53, 62, 75, 93, 106, 150, 155, 159, 186, 265, 310, 318, 331, 465, 530, 662, 775, 795, 930, 993, 1325, 1550, 1590, 1643, 1655, 1986, 2325, 2650, 3286, 3310, 3975, 4650, 4929, 4965, 7950, 8215, 8275, 9858, 9930, 10261, 16430, 16550, 17543, 20522, 24645, 24825, 30783, 35086, 41075, 49290, 49650, 51305, 52629, 61566, 82150, 87715, 102610, 105258, 123225, 153915, 175430, 246450, 256525, 263145, 307830, 438575, 513050, 526290, 543833, 769575, 877150, 1087666, 1315725, 1539150, 1631499, 2631450, 2719165, 3262998, 5438330, 8157495, 13595825, 16314990, 27191650, 40787475, 81574950]

約数ペア:

[(1, 81574950), (2, 40787475), (3, 27191650), (5, 16314990), (6, 13595825), (10, 8157495), (15, 5438330), (25, 3262998), (30, 2719165), (31, 2631450), (50, 1631499), (53, 1539150), (62, 1315725), (75, 1087666), (93, 877150), (106, 769575), (150, 543833), (155, 526290), (159, 513050), (186, 438575), (265, 307830), (310, 263145), (318, 256525), (331, 246450), (465, 175430), (530, 153915), (662, 123225), (775, 105258), (795, 102610), (930, 87715), (993, 82150), (1325, 61566), (1550, 52629), (1590, 51305), (1643, 49650), (1655, 49290), (1986, 41075), (2325, 35086), (2650, 30783), (3286, 24825), (3310, 24645), (3975, 20522), (4650, 17543), (4929, 16550), (4965, 16430), (7950, 10261), (8215, 9930), (8275, 9858)]