256373100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1078

約数の個数: 180

約数和(自身を含む): 858708928

約数和(自身を除く): 602335828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 81, 90, 93, 100, 108, 124, 135, 150, 155, 162, 180, 186, 225, 270, 279, 300, 310, 324, 372, 405, 450, 465, 540, 558, 620, 675, 775, 810, 837, 900, 930, 1021, 1116, 1350, 1395, 1550, 1620, 1674, 1860, 2025, 2042, 2325, 2511, 2700, 2790, 3063, 3100, 3348, 4050, 4084, 4185, 4650, 5022, 5105, 5580, 6126, 6975, 8100, 8370, 9189, 9300, 10044, 10210, 12252, 12555, 13950, 15315, 16740, 18378, 20420, 20925, 25110, 25525, 27567, 27900, 30630, 31651, 36756, 41850, 45945, 50220, 51050, 55134, 61260, 62775, 63302, 76575, 82701, 83700, 91890, 94953, 102100, 110268, 125550, 126604, 137835, 153150, 158255, 165402, 183780, 189906, 229725, 251100, 275670, 284859, 306300, 316510, 330804, 379812, 413505, 459450, 474765, 551340, 569718, 633020, 689175, 791275, 827010, 854577, 918900, 949530, 1139436, 1378350, 1424295, 1582550, 1654020, 1709154, 1899060, 2067525, 2373825, 2563731, 2756700, 2848590, 3165100, 3418308, 4135050, 4272885, 4747650, 5127462, 5697180, 7121475, 8270100, 8545770, 9495300, 10254924, 12818655, 14242950, 17091540, 21364425, 25637310, 28485900, 42728850, 51274620, 64093275, 85457700, 128186550, 256373100]

約数ペア:

[(1, 256373100), (2, 128186550), (3, 85457700), (4, 64093275), (5, 51274620), (6, 42728850), (9, 28485900), (10, 25637310), (12, 21364425), (15, 17091540), (18, 14242950), (20, 12818655), (25, 10254924), (27, 9495300), (30, 8545770), (31, 8270100), (36, 7121475), (45, 5697180), (50, 5127462), (54, 4747650), (60, 4272885), (62, 4135050), (75, 3418308), (81, 3165100), (90, 2848590), (93, 2756700), (100, 2563731), (108, 2373825), (124, 2067525), (135, 1899060), (150, 1709154), (155, 1654020), (162, 1582550), (180, 1424295), (186, 1378350), (225, 1139436), (270, 949530), (279, 918900), (300, 854577), (310, 827010), (324, 791275), (372, 689175), (405, 633020), (450, 569718), (465, 551340), (540, 474765), (558, 459450), (620, 413505), (675, 379812), (775, 330804), (810, 316510), (837, 306300), (900, 284859), (930, 275670), (1021, 251100), (1116, 229725), (1350, 189906), (1395, 183780), (1550, 165402), (1620, 158255), (1674, 153150), (1860, 137835), (2025, 126604), (2042, 125550), (2325, 110268), (2511, 102100), (2700, 94953), (2790, 91890), (3063, 83700), (3100, 82701), (3348, 76575), (4050, 63302), (4084, 62775), (4185, 61260), (4650, 55134), (5022, 51050), (5105, 50220), (5580, 45945), (6126, 41850), (6975, 36756), (8100, 31651), (8370, 30630), (9189, 27900), (9300, 27567), (10044, 25525), (10210, 25110), (12252, 20925), (12555, 20420), (13950, 18378), (15315, 16740)]