51515490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4315

約数の個数: 64

約数和(自身を含む): 137475072

約数和(自身を除く): 85959582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 4261, 6045, 8522, 12090, 12783, 21305, 25566, 42610, 55393, 63915, 110786, 127830, 132091, 166179, 264182, 276965, 332358, 396273, 553930, 660455, 792546, 830895, 1320910, 1661790, 1717183, 1981365, 3434366, 3962730, 5151549, 8585915, 10303098, 17171830, 25757745, 51515490]

約数ペア:

[(1, 51515490), (2, 25757745), (3, 17171830), (5, 10303098), (6, 8585915), (10, 5151549), (13, 3962730), (15, 3434366), (26, 1981365), (30, 1717183), (31, 1661790), (39, 1320910), (62, 830895), (65, 792546), (78, 660455), (93, 553930), (130, 396273), (155, 332358), (186, 276965), (195, 264182), (310, 166179), (390, 132091), (403, 127830), (465, 110786), (806, 63915), (930, 55393), (1209, 42610), (2015, 25566), (2418, 21305), (4030, 12783), (4261, 12090), (6045, 8522)]