215068980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26951}}^1$

素因数の和:26989

約数の個数: 96

約数和(自身を含む): 724469760

約数和(自身を除く): 509400780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 26951, 53902, 80853, 107804, 134755, 161706, 188657, 269510, 323412, 377314, 404265, 512069, 539020, 565971, 754628, 808530, 943285, 1024138, 1131942, 1536207, 1617060, 1886570, 2048276, 2263884, 2560345, 2829855, 3072414, 3584483, 3773140, 5120690, 5659710, 6144828, 7168966, 7681035, 10241380, 10753449, 11319420, 14337932, 15362070, 17922415, 21506898, 30724140, 35844830, 43013796, 53767245, 71689660, 107534490, 215068980]

約数ペア:

[(1, 215068980), (2, 107534490), (3, 71689660), (4, 53767245), (5, 43013796), (6, 35844830), (7, 30724140), (10, 21506898), (12, 17922415), (14, 15362070), (15, 14337932), (19, 11319420), (20, 10753449), (21, 10241380), (28, 7681035), (30, 7168966), (35, 6144828), (38, 5659710), (42, 5120690), (57, 3773140), (60, 3584483), (70, 3072414), (76, 2829855), (84, 2560345), (95, 2263884), (105, 2048276), (114, 1886570), (133, 1617060), (140, 1536207), (190, 1131942), (210, 1024138), (228, 943285), (266, 808530), (285, 754628), (380, 565971), (399, 539020), (420, 512069), (532, 404265), (570, 377314), (665, 323412), (798, 269510), (1140, 188657), (1330, 161706), (1596, 134755), (1995, 107804), (2660, 80853), (3990, 53902), (7980, 26951)]