221936280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 691891200

約数和(自身を除く): 469954920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 79, 82, 120, 123, 158, 164, 205, 237, 246, 316, 328, 395, 410, 474, 492, 571, 615, 632, 790, 820, 948, 984, 1142, 1185, 1230, 1580, 1640, 1713, 1896, 2284, 2370, 2460, 2855, 3160, 3239, 3426, 4568, 4740, 4920, 5710, 6478, 6852, 8565, 9480, 9717, 11420, 12956, 13704, 16195, 17130, 19434, 22840, 23411, 25912, 32390, 34260, 38868, 45109, 46822, 48585, 64780, 68520, 70233, 77736, 90218, 93644, 97170, 117055, 129560, 135327, 140466, 180436, 187288, 194340, 225545, 234110, 270654, 280932, 351165, 360872, 388680, 451090, 468220, 541308, 561864, 676635, 702330, 902180, 936440, 1082616, 1353270, 1404660, 1804360, 1849469, 2706540, 2809320, 3698938, 5413080, 5548407, 7397876, 9247345, 11096814, 14795752, 18494690, 22193628, 27742035, 36989380, 44387256, 55484070, 73978760, 110968140, 221936280]

約数ペア:

[(1, 221936280), (2, 110968140), (3, 73978760), (4, 55484070), (5, 44387256), (6, 36989380), (8, 27742035), (10, 22193628), (12, 18494690), (15, 14795752), (20, 11096814), (24, 9247345), (30, 7397876), (40, 5548407), (41, 5413080), (60, 3698938), (79, 2809320), (82, 2706540), (120, 1849469), (123, 1804360), (158, 1404660), (164, 1353270), (205, 1082616), (237, 936440), (246, 902180), (316, 702330), (328, 676635), (395, 561864), (410, 541308), (474, 468220), (492, 451090), (571, 388680), (615, 360872), (632, 351165), (790, 280932), (820, 270654), (948, 234110), (984, 225545), (1142, 194340), (1185, 187288), (1230, 180436), (1580, 140466), (1640, 135327), (1713, 129560), (1896, 117055), (2284, 97170), (2370, 93644), (2460, 90218), (2855, 77736), (3160, 70233), (3239, 68520), (3426, 64780), (4568, 48585), (4740, 46822), (4920, 45109), (5710, 38868), (6478, 34260), (6852, 32390), (8565, 25912), (9480, 23411), (9717, 22840), (11420, 19434), (12956, 17130), (13704, 16195)]