31450380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 96535488

約数和(自身を除く): 65085108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 610, 661, 732, 780, 793, 915, 1220, 1322, 1586, 1830, 1983, 2379, 2644, 3172, 3305, 3660, 3965, 3966, 4758, 6610, 7930, 7932, 8593, 9516, 9915, 11895, 13220, 15860, 17186, 19830, 23790, 25779, 34372, 39660, 40321, 42965, 47580, 51558, 80642, 85930, 103116, 120963, 128895, 161284, 171860, 201605, 241926, 257790, 403210, 483852, 515580, 524173, 604815, 806420, 1048346, 1209630, 1572519, 2096692, 2419260, 2620865, 3145038, 5241730, 6290076, 7862595, 10483460, 15725190, 31450380]

約数ペア:

[(1, 31450380), (2, 15725190), (3, 10483460), (4, 7862595), (5, 6290076), (6, 5241730), (10, 3145038), (12, 2620865), (13, 2419260), (15, 2096692), (20, 1572519), (26, 1209630), (30, 1048346), (39, 806420), (52, 604815), (60, 524173), (61, 515580), (65, 483852), (78, 403210), (122, 257790), (130, 241926), (156, 201605), (183, 171860), (195, 161284), (244, 128895), (260, 120963), (305, 103116), (366, 85930), (390, 80642), (610, 51558), (661, 47580), (732, 42965), (780, 40321), (793, 39660), (915, 34372), (1220, 25779), (1322, 23790), (1586, 19830), (1830, 17186), (1983, 15860), (2379, 13220), (2644, 11895), (3172, 9915), (3305, 9516), (3660, 8593), (3965, 7932), (3966, 7930), (4758, 6610)]