263470240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 707857920

約数和(自身を除く): 444387680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 439, 440, 484, 496, 605, 620, 682, 878, 880, 968, 992, 1210, 1240, 1364, 1705, 1756, 1760, 1936, 2195, 2420, 2480, 2728, 3410, 3512, 3751, 3872, 4390, 4829, 4840, 4960, 5456, 6820, 7024, 7502, 8780, 9658, 9680, 10912, 13609, 13640, 14048, 15004, 17560, 18755, 19316, 19360, 24145, 27218, 27280, 30008, 35120, 37510, 38632, 48290, 53119, 54436, 54560, 60016, 68045, 70240, 75020, 77264, 96580, 106238, 108872, 120032, 136090, 149699, 150040, 154528, 193160, 212476, 217744, 265595, 272180, 299398, 300080, 386320, 424952, 435488, 531190, 544360, 598796, 600160, 748495, 772640, 849904, 1062380, 1088720, 1197592, 1496990, 1646689, 1699808, 2124760, 2177440, 2395184, 2993980, 3293378, 4249520, 4790368, 5987960, 6586756, 8233445, 8499040, 11975920, 13173512, 16466890, 23951840, 26347024, 32933780, 52694048, 65867560, 131735120, 263470240]

約数ペア:

[(1, 263470240), (2, 131735120), (4, 65867560), (5, 52694048), (8, 32933780), (10, 26347024), (11, 23951840), (16, 16466890), (20, 13173512), (22, 11975920), (31, 8499040), (32, 8233445), (40, 6586756), (44, 5987960), (55, 4790368), (62, 4249520), (80, 3293378), (88, 2993980), (110, 2395184), (121, 2177440), (124, 2124760), (155, 1699808), (160, 1646689), (176, 1496990), (220, 1197592), (242, 1088720), (248, 1062380), (310, 849904), (341, 772640), (352, 748495), (439, 600160), (440, 598796), (484, 544360), (496, 531190), (605, 435488), (620, 424952), (682, 386320), (878, 300080), (880, 299398), (968, 272180), (992, 265595), (1210, 217744), (1240, 212476), (1364, 193160), (1705, 154528), (1756, 150040), (1760, 149699), (1936, 136090), (2195, 120032), (2420, 108872), (2480, 106238), (2728, 96580), (3410, 77264), (3512, 75020), (3751, 70240), (3872, 68045), (4390, 60016), (4829, 54560), (4840, 54436), (4960, 53119), (5456, 48290), (6820, 38632), (7024, 37510), (7502, 35120), (8780, 30008), (9658, 27280), (9680, 27218), (10912, 24145), (13609, 19360), (13640, 19316), (14048, 18755), (15004, 17560)]