81713970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 230577984

約数和(自身を除く): 148864014

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 211, 234, 331, 390, 422, 585, 633, 662, 993, 1055, 1170, 1266, 1655, 1899, 1986, 2110, 2743, 2979, 3165, 3310, 3798, 4303, 4965, 5486, 5958, 6330, 8229, 8606, 9495, 9930, 12909, 13715, 14895, 16458, 18990, 21515, 24687, 25818, 27430, 29790, 38727, 41145, 43030, 49374, 64545, 69841, 77454, 82290, 123435, 129090, 139682, 193635, 209523, 246870, 349205, 387270, 419046, 628569, 698410, 907933, 1047615, 1257138, 1815866, 2095230, 2723799, 3142845, 4539665, 5447598, 6285690, 8171397, 9079330, 13618995, 16342794, 27237990, 40856985, 81713970]

約数ペア:

[(1, 81713970), (2, 40856985), (3, 27237990), (5, 16342794), (6, 13618995), (9, 9079330), (10, 8171397), (13, 6285690), (15, 5447598), (18, 4539665), (26, 3142845), (30, 2723799), (39, 2095230), (45, 1815866), (65, 1257138), (78, 1047615), (90, 907933), (117, 698410), (130, 628569), (195, 419046), (211, 387270), (234, 349205), (331, 246870), (390, 209523), (422, 193635), (585, 139682), (633, 129090), (662, 123435), (993, 82290), (1055, 77454), (1170, 69841), (1266, 64545), (1655, 49374), (1899, 43030), (1986, 41145), (2110, 38727), (2743, 29790), (2979, 27430), (3165, 25818), (3310, 24687), (3798, 21515), (4303, 18990), (4965, 16458), (5486, 14895), (5958, 13715), (6330, 12909), (8229, 9930), (8606, 9495)]