2521740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 7874496

約数和(自身を除く): 5352756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 61, 65, 78, 106, 122, 130, 156, 159, 183, 195, 212, 244, 260, 265, 305, 318, 366, 390, 530, 610, 636, 689, 732, 780, 793, 795, 915, 1060, 1220, 1378, 1586, 1590, 1830, 2067, 2379, 2756, 3172, 3180, 3233, 3445, 3660, 3965, 4134, 4758, 6466, 6890, 7930, 8268, 9516, 9699, 10335, 11895, 12932, 13780, 15860, 16165, 19398, 20670, 23790, 32330, 38796, 41340, 42029, 47580, 48495, 64660, 84058, 96990, 126087, 168116, 193980, 210145, 252174, 420290, 504348, 630435, 840580, 1260870, 2521740]

約数ペア:

[(1, 2521740), (2, 1260870), (3, 840580), (4, 630435), (5, 504348), (6, 420290), (10, 252174), (12, 210145), (13, 193980), (15, 168116), (20, 126087), (26, 96990), (30, 84058), (39, 64660), (52, 48495), (53, 47580), (60, 42029), (61, 41340), (65, 38796), (78, 32330), (106, 23790), (122, 20670), (130, 19398), (156, 16165), (159, 15860), (183, 13780), (195, 12932), (212, 11895), (244, 10335), (260, 9699), (265, 9516), (305, 8268), (318, 7930), (366, 6890), (390, 6466), (530, 4758), (610, 4134), (636, 3965), (689, 3660), (732, 3445), (780, 3233), (793, 3180), (795, 3172), (915, 2756), (1060, 2379), (1220, 2067), (1378, 1830), (1586, 1590)]