30655560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 101566080

約数和(自身を除く): 70910520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 457, 516, 520, 559, 645, 780, 860, 914, 1032, 1118, 1290, 1371, 1560, 1677, 1720, 1828, 2236, 2285, 2580, 2742, 2795, 3354, 3656, 4472, 4570, 5160, 5484, 5590, 5941, 6708, 6855, 8385, 9140, 10968, 11180, 11882, 13416, 13710, 16770, 17823, 18280, 19651, 22360, 23764, 27420, 29705, 33540, 35646, 39302, 47528, 54840, 58953, 59410, 67080, 71292, 78604, 89115, 98255, 117906, 118820, 142584, 157208, 178230, 196510, 235812, 237640, 255463, 294765, 356460, 393020, 471624, 510926, 589530, 712920, 766389, 786040, 1021852, 1179060, 1277315, 1532778, 2043704, 2358120, 2554630, 3065556, 3831945, 5109260, 6131112, 7663890, 10218520, 15327780, 30655560]

約数ペア:

[(1, 30655560), (2, 15327780), (3, 10218520), (4, 7663890), (5, 6131112), (6, 5109260), (8, 3831945), (10, 3065556), (12, 2554630), (13, 2358120), (15, 2043704), (20, 1532778), (24, 1277315), (26, 1179060), (30, 1021852), (39, 786040), (40, 766389), (43, 712920), (52, 589530), (60, 510926), (65, 471624), (78, 393020), (86, 356460), (104, 294765), (120, 255463), (129, 237640), (130, 235812), (156, 196510), (172, 178230), (195, 157208), (215, 142584), (258, 118820), (260, 117906), (312, 98255), (344, 89115), (390, 78604), (430, 71292), (457, 67080), (516, 59410), (520, 58953), (559, 54840), (645, 47528), (780, 39302), (860, 35646), (914, 33540), (1032, 29705), (1118, 27420), (1290, 23764), (1371, 22360), (1560, 19651), (1677, 18280), (1720, 17823), (1828, 16770), (2236, 13710), (2285, 13416), (2580, 11882), (2742, 11180), (2795, 10968), (3354, 9140), (3656, 8385), (4472, 6855), (4570, 6708), (5160, 5941), (5484, 5590)]