123672640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 376879104

約数和(自身を除く): 253206464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 137, 140, 155, 160, 182, 208, 217, 224, 248, 260, 274, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 548, 560, 620, 685, 728, 806, 832, 868, 910, 959, 992, 1040, 1085, 1096, 1120, 1240, 1370, 1456, 1612, 1736, 1781, 1820, 1918, 1984, 2015, 2080, 2170, 2192, 2240, 2480, 2740, 2821, 2912, 3224, 3472, 3562, 3640, 3836, 4030, 4160, 4247, 4340, 4384, 4795, 4960, 5480, 5642, 5824, 6448, 6944, 7124, 7280, 7672, 8060, 8494, 8680, 8768, 8905, 9590, 9920, 10960, 11284, 12467, 12896, 13888, 14105, 14248, 14560, 15344, 16120, 16988, 17360, 17810, 19180, 21235, 21920, 22568, 24934, 25792, 28210, 28496, 29120, 29729, 30688, 32240, 33976, 34720, 35620, 38360, 42470, 43840, 45136, 49868, 55211, 56420, 56992, 59458, 61376, 62335, 64480, 67952, 69440, 71240, 76720, 84940, 90272, 99736, 110422, 112840, 113984, 118916, 124670, 128960, 135904, 142480, 148645, 153440, 169880, 180544, 199472, 220844, 225680, 237832, 249340, 271808, 276055, 284960, 297290, 306880, 339760, 386477, 398944, 441688, 451360, 475664, 498680, 552110, 569920, 594580, 679520, 772954, 797888, 883376, 902720, 951328, 997360, 1104220, 1189160, 1359040, 1545908, 1766752, 1902656, 1932385, 1994720, 2208440, 2378320, 3091816, 3533504, 3864770, 3989440, 4416880, 4756640, 6183632, 7729540, 8833760, 9513280, 12367264, 15459080, 17667520, 24734528, 30918160, 61836320, 123672640]

約数ペア:

[(1, 123672640), (2, 61836320), (4, 30918160), (5, 24734528), (7, 17667520), (8, 15459080), (10, 12367264), (13, 9513280), (14, 8833760), (16, 7729540), (20, 6183632), (26, 4756640), (28, 4416880), (31, 3989440), (32, 3864770), (35, 3533504), (40, 3091816), (52, 2378320), (56, 2208440), (62, 1994720), (64, 1932385), (65, 1902656), (70, 1766752), (80, 1545908), (91, 1359040), (104, 1189160), (112, 1104220), (124, 997360), (130, 951328), (137, 902720), (140, 883376), (155, 797888), (160, 772954), (182, 679520), (208, 594580), (217, 569920), (224, 552110), (248, 498680), (260, 475664), (274, 451360), (280, 441688), (310, 398944), (320, 386477), (364, 339760), (403, 306880), (416, 297290), (434, 284960), (448, 276055), (455, 271808), (496, 249340), (520, 237832), (548, 225680), (560, 220844), (620, 199472), (685, 180544), (728, 169880), (806, 153440), (832, 148645), (868, 142480), (910, 135904), (959, 128960), (992, 124670), (1040, 118916), (1085, 113984), (1096, 112840), (1120, 110422), (1240, 99736), (1370, 90272), (1456, 84940), (1612, 76720), (1736, 71240), (1781, 69440), (1820, 67952), (1918, 64480), (1984, 62335), (2015, 61376), (2080, 59458), (2170, 56992), (2192, 56420), (2240, 55211), (2480, 49868), (2740, 45136), (2821, 43840), (2912, 42470), (3224, 38360), (3472, 35620), (3562, 34720), (3640, 33976), (3836, 32240), (4030, 30688), (4160, 29729), (4247, 29120), (4340, 28496), (4384, 28210), (4795, 25792), (4960, 24934), (5480, 22568), (5642, 21920), (5824, 21235), (6448, 19180), (6944, 17810), (7124, 17360), (7280, 16988), (7672, 16120), (8060, 15344), (8494, 14560), (8680, 14248), (8768, 14105), (8905, 13888), (9590, 12896), (9920, 12467), (10960, 11284)]