256542732

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 703352832

約数和(自身を除く): 446810100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 67, 73, 93, 94, 124, 134, 141, 146, 186, 188, 201, 219, 268, 279, 282, 292, 372, 402, 423, 438, 558, 564, 603, 657, 804, 846, 876, 1116, 1206, 1314, 1457, 1692, 2077, 2263, 2412, 2628, 2914, 3149, 3431, 4154, 4371, 4526, 4891, 5828, 6231, 6298, 6789, 6862, 8308, 8742, 9052, 9447, 9782, 10293, 12462, 12596, 13113, 13578, 13724, 14673, 17484, 18693, 18894, 19564, 20367, 20586, 24924, 26226, 27156, 28341, 29346, 30879, 37386, 37788, 40734, 41172, 44019, 52452, 56682, 58692, 61758, 74772, 81468, 88038, 97619, 106361, 113364, 123516, 151621, 176076, 195238, 212722, 229877, 292857, 303242, 319083, 390476, 425444, 454863, 459754, 585714, 606484, 638166, 689631, 878571, 909726, 919508, 957249, 1171428, 1276332, 1364589, 1379262, 1757142, 1819452, 1914498, 2068893, 2729178, 2758524, 3514284, 3828996, 4137786, 5458356, 7126187, 8275572, 14252374, 21378561, 28504748, 42757122, 64135683, 85514244, 128271366, 256542732]

約数ペア:

[(1, 256542732), (2, 128271366), (3, 85514244), (4, 64135683), (6, 42757122), (9, 28504748), (12, 21378561), (18, 14252374), (31, 8275572), (36, 7126187), (47, 5458356), (62, 4137786), (67, 3828996), (73, 3514284), (93, 2758524), (94, 2729178), (124, 2068893), (134, 1914498), (141, 1819452), (146, 1757142), (186, 1379262), (188, 1364589), (201, 1276332), (219, 1171428), (268, 957249), (279, 919508), (282, 909726), (292, 878571), (372, 689631), (402, 638166), (423, 606484), (438, 585714), (558, 459754), (564, 454863), (603, 425444), (657, 390476), (804, 319083), (846, 303242), (876, 292857), (1116, 229877), (1206, 212722), (1314, 195238), (1457, 176076), (1692, 151621), (2077, 123516), (2263, 113364), (2412, 106361), (2628, 97619), (2914, 88038), (3149, 81468), (3431, 74772), (4154, 61758), (4371, 58692), (4526, 56682), (4891, 52452), (5828, 44019), (6231, 41172), (6298, 40734), (6789, 37788), (6862, 37386), (8308, 30879), (8742, 29346), (9052, 28341), (9447, 27156), (9782, 26226), (10293, 24924), (12462, 20586), (12596, 20367), (13113, 19564), (13578, 18894), (13724, 18693), (14673, 17484)]