261655500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 835301376

約数和(自身を除く): 573645876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 125, 150, 155, 170, 186, 204, 250, 255, 300, 310, 331, 340, 372, 375, 425, 465, 500, 510, 527, 620, 662, 750, 775, 850, 930, 993, 1020, 1054, 1275, 1324, 1500, 1550, 1581, 1655, 1700, 1860, 1986, 2108, 2125, 2325, 2550, 2635, 3100, 3162, 3310, 3875, 3972, 4250, 4650, 4965, 5100, 5270, 5627, 6324, 6375, 6620, 7750, 7905, 8275, 8500, 9300, 9930, 10261, 10540, 11254, 11625, 12750, 13175, 15500, 15810, 16550, 16881, 19860, 20522, 22508, 23250, 24825, 25500, 26350, 28135, 30783, 31620, 33100, 33762, 39525, 41044, 41375, 46500, 49650, 51305, 52700, 56270, 61566, 65875, 67524, 79050, 82750, 84405, 99300, 102610, 112540, 123132, 124125, 131750, 140675, 153915, 158100, 165500, 168810, 174437, 197625, 205220, 248250, 256525, 263500, 281350, 307830, 337620, 348874, 395250, 422025, 496500, 513050, 523311, 562700, 615660, 697748, 703375, 769575, 790500, 844050, 872185, 1026100, 1046622, 1282625, 1406750, 1539150, 1688100, 1744370, 2093244, 2110125, 2565250, 2616555, 2813500, 3078300, 3488740, 3847875, 4220250, 4360925, 5130500, 5233110, 7695750, 8440500, 8721850, 10466220, 13082775, 15391500, 17443700, 21804625, 26165550, 43609250, 52331100, 65413875, 87218500, 130827750, 261655500]

約数ペア:

[(1, 261655500), (2, 130827750), (3, 87218500), (4, 65413875), (5, 52331100), (6, 43609250), (10, 26165550), (12, 21804625), (15, 17443700), (17, 15391500), (20, 13082775), (25, 10466220), (30, 8721850), (31, 8440500), (34, 7695750), (50, 5233110), (51, 5130500), (60, 4360925), (62, 4220250), (68, 3847875), (75, 3488740), (85, 3078300), (93, 2813500), (100, 2616555), (102, 2565250), (124, 2110125), (125, 2093244), (150, 1744370), (155, 1688100), (170, 1539150), (186, 1406750), (204, 1282625), (250, 1046622), (255, 1026100), (300, 872185), (310, 844050), (331, 790500), (340, 769575), (372, 703375), (375, 697748), (425, 615660), (465, 562700), (500, 523311), (510, 513050), (527, 496500), (620, 422025), (662, 395250), (750, 348874), (775, 337620), (850, 307830), (930, 281350), (993, 263500), (1020, 256525), (1054, 248250), (1275, 205220), (1324, 197625), (1500, 174437), (1550, 168810), (1581, 165500), (1655, 158100), (1700, 153915), (1860, 140675), (1986, 131750), (2108, 124125), (2125, 123132), (2325, 112540), (2550, 102610), (2635, 99300), (3100, 84405), (3162, 82750), (3310, 79050), (3875, 67524), (3972, 65875), (4250, 61566), (4650, 56270), (4965, 52700), (5100, 51305), (5270, 49650), (5627, 46500), (6324, 41375), (6375, 41044), (6620, 39525), (7750, 33762), (7905, 33100), (8275, 31620), (8500, 30783), (9300, 28135), (9930, 26350), (10261, 25500), (10540, 24825), (11254, 23250), (11625, 22508), (12750, 20522), (13175, 19860), (15500, 16881), (15810, 16550)]