258832640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 699342336

約数和(自身を除く): 440509696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 593, 620, 640, 682, 704, 880, 992, 1186, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2372, 2480, 2728, 2816, 2965, 3410, 3520, 3968, 4744, 4960, 5456, 5930, 6523, 6820, 7040, 7936, 9488, 9920, 10912, 11860, 13046, 13640, 14080, 18383, 18976, 19840, 21824, 23720, 26092, 27280, 32615, 36766, 37952, 39680, 43648, 47440, 52184, 54560, 65230, 73532, 75904, 87296, 91915, 94880, 104368, 109120, 130460, 147064, 151808, 183830, 189760, 202213, 208736, 218240, 260920, 294128, 367660, 379520, 404426, 417472, 436480, 521840, 588256, 735320, 759040, 808852, 834944, 1011065, 1043680, 1176512, 1470640, 1617704, 1669888, 2022130, 2087360, 2353024, 2941280, 3235408, 4044260, 4174720, 4706048, 5882560, 6470816, 8088520, 8349440, 11765120, 12941632, 16177040, 23530240, 25883264, 32354080, 51766528, 64708160, 129416320, 258832640]

約数ペア:

[(1, 258832640), (2, 129416320), (4, 64708160), (5, 51766528), (8, 32354080), (10, 25883264), (11, 23530240), (16, 16177040), (20, 12941632), (22, 11765120), (31, 8349440), (32, 8088520), (40, 6470816), (44, 5882560), (55, 4706048), (62, 4174720), (64, 4044260), (80, 3235408), (88, 2941280), (110, 2353024), (124, 2087360), (128, 2022130), (155, 1669888), (160, 1617704), (176, 1470640), (220, 1176512), (248, 1043680), (256, 1011065), (310, 834944), (320, 808852), (341, 759040), (352, 735320), (440, 588256), (496, 521840), (593, 436480), (620, 417472), (640, 404426), (682, 379520), (704, 367660), (880, 294128), (992, 260920), (1186, 218240), (1240, 208736), (1280, 202213), (1364, 189760), (1408, 183830), (1705, 151808), (1760, 147064), (1984, 130460), (2372, 109120), (2480, 104368), (2728, 94880), (2816, 91915), (2965, 87296), (3410, 75904), (3520, 73532), (3968, 65230), (4744, 54560), (4960, 52184), (5456, 47440), (5930, 43648), (6523, 39680), (6820, 37952), (7040, 36766), (7936, 32615), (9488, 27280), (9920, 26092), (10912, 23720), (11860, 21824), (13046, 19840), (13640, 18976), (14080, 18383)]