221531580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 737493120

約数和(自身を除く): 515961540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 37, 45, 58, 60, 62, 74, 87, 90, 93, 111, 116, 124, 145, 148, 155, 174, 180, 185, 186, 222, 261, 279, 290, 310, 333, 348, 370, 372, 435, 444, 465, 522, 555, 558, 580, 620, 666, 740, 870, 899, 930, 1044, 1073, 1110, 1116, 1147, 1305, 1332, 1369, 1395, 1665, 1740, 1798, 1860, 2146, 2220, 2294, 2610, 2697, 2738, 2790, 3219, 3330, 3441, 3596, 4107, 4292, 4495, 4588, 5220, 5365, 5394, 5476, 5580, 5735, 6438, 6660, 6845, 6882, 8091, 8214, 8990, 9657, 10323, 10730, 10788, 11470, 12321, 12876, 13485, 13690, 13764, 16095, 16182, 16428, 17205, 17980, 19314, 20535, 20646, 21460, 22940, 24642, 26970, 27380, 32190, 32364, 33263, 34410, 38628, 39701, 40455, 41070, 41292, 42439, 48285, 49284, 51615, 53940, 61605, 64380, 66526, 68820, 79402, 80910, 82140, 84878, 96570, 99789, 103230, 119103, 123210, 127317, 133052, 158804, 161820, 166315, 169756, 193140, 198505, 199578, 206460, 212195, 238206, 246420, 254634, 299367, 332630, 357309, 381951, 397010, 399156, 424390, 476412, 498945, 509268, 595515, 598734, 636585, 665260, 714618, 763902, 794020, 848780, 997890, 1191030, 1197468, 1230731, 1273170, 1429236, 1496835, 1527804, 1786545, 1909755, 1995780, 2382060, 2461462, 2546340, 2993670, 3573090, 3692193, 3819510, 4922924, 5987340, 6153655, 7146180, 7384386, 7639020, 11076579, 12307310, 14768772, 18460965, 22153158, 24614620, 36921930, 44306316, 55382895, 73843860, 110765790, 221531580]

約数ペア:

[(1, 221531580), (2, 110765790), (3, 73843860), (4, 55382895), (5, 44306316), (6, 36921930), (9, 24614620), (10, 22153158), (12, 18460965), (15, 14768772), (18, 12307310), (20, 11076579), (29, 7639020), (30, 7384386), (31, 7146180), (36, 6153655), (37, 5987340), (45, 4922924), (58, 3819510), (60, 3692193), (62, 3573090), (74, 2993670), (87, 2546340), (90, 2461462), (93, 2382060), (111, 1995780), (116, 1909755), (124, 1786545), (145, 1527804), (148, 1496835), (155, 1429236), (174, 1273170), (180, 1230731), (185, 1197468), (186, 1191030), (222, 997890), (261, 848780), (279, 794020), (290, 763902), (310, 714618), (333, 665260), (348, 636585), (370, 598734), (372, 595515), (435, 509268), (444, 498945), (465, 476412), (522, 424390), (555, 399156), (558, 397010), (580, 381951), (620, 357309), (666, 332630), (740, 299367), (870, 254634), (899, 246420), (930, 238206), (1044, 212195), (1073, 206460), (1110, 199578), (1116, 198505), (1147, 193140), (1305, 169756), (1332, 166315), (1369, 161820), (1395, 158804), (1665, 133052), (1740, 127317), (1798, 123210), (1860, 119103), (2146, 103230), (2220, 99789), (2294, 96570), (2610, 84878), (2697, 82140), (2738, 80910), (2790, 79402), (3219, 68820), (3330, 66526), (3441, 64380), (3596, 61605), (4107, 53940), (4292, 51615), (4495, 49284), (4588, 48285), (5220, 42439), (5365, 41292), (5394, 41070), (5476, 40455), (5580, 39701), (5735, 38628), (6438, 34410), (6660, 33263), (6845, 32364), (6882, 32190), (8091, 27380), (8214, 26970), (8990, 24642), (9657, 22940), (10323, 21460), (10730, 20646), (10788, 20535), (11470, 19314), (12321, 17980), (12876, 17205), (13485, 16428), (13690, 16182), (13764, 16095)]