255699780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 192

約数和(自身を含む): 867041280

約数和(自身を除く): 611341500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 41, 42, 60, 62, 70, 82, 84, 93, 105, 123, 124, 140, 155, 164, 186, 205, 210, 217, 246, 287, 310, 372, 410, 420, 434, 465, 479, 492, 574, 615, 620, 651, 820, 861, 868, 930, 958, 1085, 1148, 1230, 1271, 1302, 1435, 1437, 1722, 1860, 1916, 2170, 2395, 2460, 2542, 2604, 2870, 2874, 3255, 3353, 3444, 3813, 4305, 4340, 4790, 5084, 5740, 5748, 6355, 6510, 6706, 7185, 7626, 8610, 8897, 9580, 10059, 12710, 13020, 13412, 14370, 14849, 15252, 16765, 17220, 17794, 19065, 19639, 20118, 25420, 26691, 28740, 29698, 33530, 35588, 38130, 39278, 40236, 44485, 44547, 50295, 53382, 58917, 59396, 67060, 74245, 76260, 78556, 88970, 89094, 98195, 100590, 103943, 106764, 117834, 133455, 137473, 148490, 177940, 178188, 196390, 201180, 207886, 222735, 235668, 266910, 274946, 294585, 296980, 311829, 392780, 412419, 415772, 445470, 519715, 533820, 549892, 589170, 608809, 623658, 687365, 824838, 890940, 1039430, 1178340, 1217618, 1247316, 1374730, 1559145, 1649676, 1826427, 2062095, 2078860, 2435236, 2749460, 3044045, 3118290, 3652854, 4124190, 4261663, 6088090, 6236580, 7305708, 8248380, 8523326, 9132135, 12176180, 12784989, 17046652, 18264270, 21308315, 25569978, 36528540, 42616630, 51139956, 63924945, 85233260, 127849890, 255699780]

約数ペア:

[(1, 255699780), (2, 127849890), (3, 85233260), (4, 63924945), (5, 51139956), (6, 42616630), (7, 36528540), (10, 25569978), (12, 21308315), (14, 18264270), (15, 17046652), (20, 12784989), (21, 12176180), (28, 9132135), (30, 8523326), (31, 8248380), (35, 7305708), (41, 6236580), (42, 6088090), (60, 4261663), (62, 4124190), (70, 3652854), (82, 3118290), (84, 3044045), (93, 2749460), (105, 2435236), (123, 2078860), (124, 2062095), (140, 1826427), (155, 1649676), (164, 1559145), (186, 1374730), (205, 1247316), (210, 1217618), (217, 1178340), (246, 1039430), (287, 890940), (310, 824838), (372, 687365), (410, 623658), (420, 608809), (434, 589170), (465, 549892), (479, 533820), (492, 519715), (574, 445470), (615, 415772), (620, 412419), (651, 392780), (820, 311829), (861, 296980), (868, 294585), (930, 274946), (958, 266910), (1085, 235668), (1148, 222735), (1230, 207886), (1271, 201180), (1302, 196390), (1435, 178188), (1437, 177940), (1722, 148490), (1860, 137473), (1916, 133455), (2170, 117834), (2395, 106764), (2460, 103943), (2542, 100590), (2604, 98195), (2870, 89094), (2874, 88970), (3255, 78556), (3353, 76260), (3444, 74245), (3813, 67060), (4305, 59396), (4340, 58917), (4790, 53382), (5084, 50295), (5740, 44547), (5748, 44485), (6355, 40236), (6510, 39278), (6706, 38130), (7185, 35588), (7626, 33530), (8610, 29698), (8897, 28740), (9580, 26691), (10059, 25420), (12710, 20118), (13020, 19639), (13412, 19065), (14370, 17794), (14849, 17220), (15252, 16765)]