261610860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 879427584

約数和(自身を除く): 617816724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 71, 84, 93, 105, 124, 140, 142, 155, 186, 210, 213, 217, 283, 284, 310, 355, 372, 420, 426, 434, 465, 497, 566, 620, 651, 710, 849, 852, 868, 930, 994, 1065, 1085, 1132, 1302, 1415, 1420, 1491, 1698, 1860, 1981, 1988, 2130, 2170, 2201, 2485, 2604, 2830, 2982, 3255, 3396, 3962, 4245, 4260, 4340, 4402, 4970, 5660, 5943, 5964, 6510, 6603, 7455, 7924, 8490, 8773, 8804, 9905, 9940, 11005, 11886, 13020, 13206, 14910, 15407, 16980, 17546, 19810, 20093, 22010, 23772, 26319, 26412, 29715, 29820, 30814, 33015, 35092, 39620, 40186, 43865, 44020, 46221, 52638, 59430, 60279, 61411, 61628, 66030, 77035, 80372, 87730, 92442, 100465, 105276, 118860, 120558, 122822, 131595, 132060, 140651, 154070, 175460, 184233, 184884, 200930, 231105, 241116, 245644, 263190, 281302, 301395, 307055, 308140, 368466, 401860, 421953, 462210, 526380, 562604, 602790, 614110, 622883, 703255, 736932, 843906, 921165, 924420, 1205580, 1228220, 1245766, 1406510, 1687812, 1842330, 1868649, 2109765, 2491532, 2813020, 3114415, 3684660, 3737298, 4219530, 4360181, 6228830, 7474596, 8439060, 8720362, 9343245, 12457660, 13080543, 17440724, 18686490, 21800905, 26161086, 37372980, 43601810, 52322172, 65402715, 87203620, 130805430, 261610860]

約数ペア:

[(1, 261610860), (2, 130805430), (3, 87203620), (4, 65402715), (5, 52322172), (6, 43601810), (7, 37372980), (10, 26161086), (12, 21800905), (14, 18686490), (15, 17440724), (20, 13080543), (21, 12457660), (28, 9343245), (30, 8720362), (31, 8439060), (35, 7474596), (42, 6228830), (60, 4360181), (62, 4219530), (70, 3737298), (71, 3684660), (84, 3114415), (93, 2813020), (105, 2491532), (124, 2109765), (140, 1868649), (142, 1842330), (155, 1687812), (186, 1406510), (210, 1245766), (213, 1228220), (217, 1205580), (283, 924420), (284, 921165), (310, 843906), (355, 736932), (372, 703255), (420, 622883), (426, 614110), (434, 602790), (465, 562604), (497, 526380), (566, 462210), (620, 421953), (651, 401860), (710, 368466), (849, 308140), (852, 307055), (868, 301395), (930, 281302), (994, 263190), (1065, 245644), (1085, 241116), (1132, 231105), (1302, 200930), (1415, 184884), (1420, 184233), (1491, 175460), (1698, 154070), (1860, 140651), (1981, 132060), (1988, 131595), (2130, 122822), (2170, 120558), (2201, 118860), (2485, 105276), (2604, 100465), (2830, 92442), (2982, 87730), (3255, 80372), (3396, 77035), (3962, 66030), (4245, 61628), (4260, 61411), (4340, 60279), (4402, 59430), (4970, 52638), (5660, 46221), (5943, 44020), (5964, 43865), (6510, 40186), (6603, 39620), (7455, 35092), (7924, 33015), (8490, 30814), (8773, 29820), (8804, 29715), (9905, 26412), (9940, 26319), (11005, 23772), (11886, 22010), (13020, 20093), (13206, 19810), (14910, 17546), (15407, 16980)]