259723360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 708704640

約数和(自身を除く): 448981280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 61, 65, 80, 89, 92, 104, 115, 122, 130, 160, 178, 184, 208, 230, 244, 260, 299, 305, 356, 368, 416, 445, 460, 488, 520, 598, 610, 712, 736, 793, 890, 920, 976, 1040, 1157, 1196, 1220, 1403, 1424, 1495, 1586, 1780, 1840, 1952, 2047, 2080, 2314, 2392, 2440, 2806, 2848, 2990, 3172, 3560, 3680, 3965, 4094, 4628, 4784, 4880, 5429, 5612, 5785, 5980, 6344, 7015, 7120, 7930, 8188, 9256, 9568, 9760, 10235, 10858, 11224, 11570, 11960, 12688, 14030, 14240, 15860, 16376, 18239, 18512, 20470, 21716, 22448, 23140, 23920, 25376, 26611, 27145, 28060, 31720, 32752, 36478, 37024, 40940, 43432, 44896, 46280, 47840, 53222, 54290, 56120, 63440, 65504, 70577, 72956, 81880, 86864, 91195, 92560, 106444, 108580, 112240, 124867, 126880, 133055, 141154, 145912, 163760, 173728, 182390, 185120, 212888, 217160, 224480, 249734, 266110, 282308, 291824, 327520, 352885, 364780, 425776, 434320, 499468, 532220, 564616, 583648, 624335, 705770, 729560, 851552, 868640, 998936, 1064440, 1129232, 1248670, 1411540, 1459120, 1623271, 1997872, 2128880, 2258464, 2497340, 2823080, 2918240, 3246542, 3995744, 4257760, 4994680, 5646160, 6493084, 8116355, 9989360, 11292320, 12986168, 16232710, 19978720, 25972336, 32465420, 51944672, 64930840, 129861680, 259723360]

約数ペア:

[(1, 259723360), (2, 129861680), (4, 64930840), (5, 51944672), (8, 32465420), (10, 25972336), (13, 19978720), (16, 16232710), (20, 12986168), (23, 11292320), (26, 9989360), (32, 8116355), (40, 6493084), (46, 5646160), (52, 4994680), (61, 4257760), (65, 3995744), (80, 3246542), (89, 2918240), (92, 2823080), (104, 2497340), (115, 2258464), (122, 2128880), (130, 1997872), (160, 1623271), (178, 1459120), (184, 1411540), (208, 1248670), (230, 1129232), (244, 1064440), (260, 998936), (299, 868640), (305, 851552), (356, 729560), (368, 705770), (416, 624335), (445, 583648), (460, 564616), (488, 532220), (520, 499468), (598, 434320), (610, 425776), (712, 364780), (736, 352885), (793, 327520), (890, 291824), (920, 282308), (976, 266110), (1040, 249734), (1157, 224480), (1196, 217160), (1220, 212888), (1403, 185120), (1424, 182390), (1495, 173728), (1586, 163760), (1780, 145912), (1840, 141154), (1952, 133055), (2047, 126880), (2080, 124867), (2314, 112240), (2392, 108580), (2440, 106444), (2806, 92560), (2848, 91195), (2990, 86864), (3172, 81880), (3560, 72956), (3680, 70577), (3965, 65504), (4094, 63440), (4628, 56120), (4784, 54290), (4880, 53222), (5429, 47840), (5612, 46280), (5785, 44896), (5980, 43432), (6344, 40940), (7015, 37024), (7120, 36478), (7930, 32752), (8188, 31720), (9256, 28060), (9568, 27145), (9760, 26611), (10235, 25376), (10858, 23920), (11224, 23140), (11570, 22448), (11960, 21716), (12688, 20470), (14030, 18512), (14240, 18239), (15860, 16376)]