257960052

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1280

約数の個数: 144

約数和(自身を含む): 798400512

約数和(自身を除く): 540440460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 93, 108, 124, 126, 162, 186, 189, 217, 243, 252, 279, 324, 372, 378, 434, 486, 558, 567, 651, 756, 837, 868, 972, 1116, 1134, 1223, 1302, 1674, 1701, 1953, 2268, 2446, 2511, 2604, 3348, 3402, 3669, 3906, 4892, 5022, 5859, 6804, 7338, 7533, 7812, 8561, 10044, 11007, 11718, 14676, 15066, 17122, 17577, 22014, 23436, 25683, 30132, 33021, 34244, 35154, 37913, 44028, 51366, 52731, 66042, 70308, 75826, 77049, 99063, 102732, 105462, 113739, 132084, 151652, 154098, 198126, 210924, 227478, 231147, 265391, 297189, 308196, 341217, 396252, 454956, 462294, 530782, 594378, 682434, 693441, 796173, 924588, 1023651, 1061564, 1188756, 1364868, 1386882, 1592346, 2047302, 2080323, 2388519, 2773764, 3070953, 3184692, 4094604, 4160646, 4777038, 6141906, 7165557, 8321292, 9212859, 9554076, 12283812, 14331114, 18425718, 21496671, 28662228, 36851436, 42993342, 64490013, 85986684, 128980026, 257960052]

約数ペア:

[(1, 257960052), (2, 128980026), (3, 85986684), (4, 64490013), (6, 42993342), (7, 36851436), (9, 28662228), (12, 21496671), (14, 18425718), (18, 14331114), (21, 12283812), (27, 9554076), (28, 9212859), (31, 8321292), (36, 7165557), (42, 6141906), (54, 4777038), (62, 4160646), (63, 4094604), (81, 3184692), (84, 3070953), (93, 2773764), (108, 2388519), (124, 2080323), (126, 2047302), (162, 1592346), (186, 1386882), (189, 1364868), (217, 1188756), (243, 1061564), (252, 1023651), (279, 924588), (324, 796173), (372, 693441), (378, 682434), (434, 594378), (486, 530782), (558, 462294), (567, 454956), (651, 396252), (756, 341217), (837, 308196), (868, 297189), (972, 265391), (1116, 231147), (1134, 227478), (1223, 210924), (1302, 198126), (1674, 154098), (1701, 151652), (1953, 132084), (2268, 113739), (2446, 105462), (2511, 102732), (2604, 99063), (3348, 77049), (3402, 75826), (3669, 70308), (3906, 66042), (4892, 52731), (5022, 51366), (5859, 44028), (6804, 37913), (7338, 35154), (7533, 34244), (7812, 33021), (8561, 30132), (10044, 25683), (11007, 23436), (11718, 22014), (14676, 17577), (15066, 17122)]