257904240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 897692544

約数和(自身を除く): 639788304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 83, 88, 107, 110, 120, 121, 132, 165, 166, 176, 214, 220, 240, 242, 249, 264, 321, 330, 332, 363, 415, 428, 440, 484, 498, 528, 535, 605, 642, 660, 664, 726, 830, 856, 880, 913, 968, 996, 1070, 1177, 1210, 1245, 1284, 1320, 1328, 1452, 1605, 1660, 1712, 1815, 1826, 1936, 1992, 2140, 2354, 2420, 2490, 2568, 2640, 2739, 2904, 3210, 3320, 3531, 3630, 3652, 3984, 4280, 4565, 4708, 4840, 4980, 5136, 5478, 5808, 5885, 6420, 6640, 7062, 7260, 7304, 8560, 8881, 9130, 9416, 9680, 9960, 10043, 10956, 11770, 12840, 12947, 13695, 14124, 14520, 14608, 17655, 17762, 18260, 18832, 19920, 20086, 21912, 23540, 25680, 25894, 26643, 27390, 28248, 29040, 30129, 35310, 35524, 36520, 38841, 40172, 43824, 44405, 47080, 50215, 51788, 53286, 54780, 56496, 60258, 64735, 70620, 71048, 73040, 77682, 80344, 88810, 94160, 97691, 100430, 103576, 106572, 109560, 120516, 129470, 133215, 141240, 142096, 150645, 155364, 160688, 177620, 194205, 195382, 200860, 207152, 213144, 219120, 241032, 258940, 266430, 282480, 293073, 301290, 310728, 355240, 388410, 390764, 401720, 426288, 482064, 488455, 517880, 532860, 586146, 602580, 621456, 710480, 776820, 781528, 803440, 976910, 1035760, 1065720, 1074601, 1172292, 1205160, 1465365, 1553640, 1563056, 1953820, 2131440, 2149202, 2344584, 2410320, 2930730, 3107280, 3223803, 3907640, 4298404, 4689168, 5373005, 5861460, 6447606, 7815280, 8596808, 10746010, 11722920, 12895212, 16119015, 17193616, 21492020, 23445840, 25790424, 32238030, 42984040, 51580848, 64476060, 85968080, 128952120, 257904240]

約数ペア:

[(1, 257904240), (2, 128952120), (3, 85968080), (4, 64476060), (5, 51580848), (6, 42984040), (8, 32238030), (10, 25790424), (11, 23445840), (12, 21492020), (15, 17193616), (16, 16119015), (20, 12895212), (22, 11722920), (24, 10746010), (30, 8596808), (33, 7815280), (40, 6447606), (44, 5861460), (48, 5373005), (55, 4689168), (60, 4298404), (66, 3907640), (80, 3223803), (83, 3107280), (88, 2930730), (107, 2410320), (110, 2344584), (120, 2149202), (121, 2131440), (132, 1953820), (165, 1563056), (166, 1553640), (176, 1465365), (214, 1205160), (220, 1172292), (240, 1074601), (242, 1065720), (249, 1035760), (264, 976910), (321, 803440), (330, 781528), (332, 776820), (363, 710480), (415, 621456), (428, 602580), (440, 586146), (484, 532860), (498, 517880), (528, 488455), (535, 482064), (605, 426288), (642, 401720), (660, 390764), (664, 388410), (726, 355240), (830, 310728), (856, 301290), (880, 293073), (913, 282480), (968, 266430), (996, 258940), (1070, 241032), (1177, 219120), (1210, 213144), (1245, 207152), (1284, 200860), (1320, 195382), (1328, 194205), (1452, 177620), (1605, 160688), (1660, 155364), (1712, 150645), (1815, 142096), (1826, 141240), (1936, 133215), (1992, 129470), (2140, 120516), (2354, 109560), (2420, 106572), (2490, 103576), (2568, 100430), (2640, 97691), (2739, 94160), (2904, 88810), (3210, 80344), (3320, 77682), (3531, 73040), (3630, 71048), (3652, 70620), (3984, 64735), (4280, 60258), (4565, 56496), (4708, 54780), (4840, 53286), (4980, 51788), (5136, 50215), (5478, 47080), (5808, 44405), (5885, 43824), (6420, 40172), (6640, 38841), (7062, 36520), (7260, 35524), (7304, 35310), (8560, 30129), (8881, 29040), (9130, 28248), (9416, 27390), (9680, 26643), (9960, 25894), (10043, 25680), (10956, 23540), (11770, 21912), (12840, 20086), (12947, 19920), (13695, 18832), (14124, 18260), (14520, 17762), (14608, 17655)]