38721060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 136281600

約数和(自身を除く): 97560540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 389, 395, 420, 474, 553, 630, 711, 778, 790, 948, 1106, 1167, 1185, 1260, 1422, 1556, 1580, 1659, 1945, 2212, 2334, 2370, 2723, 2765, 2844, 3318, 3501, 3555, 3890, 4668, 4740, 4977, 5446, 5530, 5835, 6636, 7002, 7110, 7780, 8169, 8295, 9954, 10892, 11060, 11670, 13615, 14004, 14220, 16338, 16590, 17505, 19908, 23340, 24507, 24885, 27230, 30731, 32676, 33180, 35010, 40845, 49014, 49770, 54460, 61462, 70020, 81690, 92193, 98028, 99540, 122535, 122924, 153655, 163380, 184386, 215117, 245070, 276579, 307310, 368772, 430234, 460965, 490140, 553158, 614620, 645351, 860468, 921930, 1075585, 1106316, 1290702, 1382895, 1843860, 1936053, 2151170, 2581404, 2765790, 3226755, 3872106, 4302340, 5531580, 6453510, 7744212, 9680265, 12907020, 19360530, 38721060]

約数ペア:

[(1, 38721060), (2, 19360530), (3, 12907020), (4, 9680265), (5, 7744212), (6, 6453510), (7, 5531580), (9, 4302340), (10, 3872106), (12, 3226755), (14, 2765790), (15, 2581404), (18, 2151170), (20, 1936053), (21, 1843860), (28, 1382895), (30, 1290702), (35, 1106316), (36, 1075585), (42, 921930), (45, 860468), (60, 645351), (63, 614620), (70, 553158), (79, 490140), (84, 460965), (90, 430234), (105, 368772), (126, 307310), (140, 276579), (158, 245070), (180, 215117), (210, 184386), (237, 163380), (252, 153655), (315, 122924), (316, 122535), (389, 99540), (395, 98028), (420, 92193), (474, 81690), (553, 70020), (630, 61462), (711, 54460), (778, 49770), (790, 49014), (948, 40845), (1106, 35010), (1167, 33180), (1185, 32676), (1260, 30731), (1422, 27230), (1556, 24885), (1580, 24507), (1659, 23340), (1945, 19908), (2212, 17505), (2334, 16590), (2370, 16338), (2723, 14220), (2765, 14004), (2844, 13615), (3318, 11670), (3501, 11060), (3555, 10892), (3890, 9954), (4668, 8295), (4740, 8169), (4977, 7780), (5446, 7110), (5530, 7002), (5835, 6636)]