1261991400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3640

約数の個数: 192

約数和(自身を含む): 4252108800

約数和(自身を除く): 2990117400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 31, 38, 40, 50, 57, 60, 62, 75, 76, 93, 95, 100, 114, 120, 124, 150, 152, 155, 186, 190, 200, 228, 248, 285, 300, 310, 372, 380, 456, 465, 475, 570, 589, 600, 620, 744, 760, 775, 930, 950, 1140, 1178, 1240, 1425, 1550, 1767, 1860, 1900, 2280, 2325, 2356, 2850, 2945, 3100, 3534, 3571, 3720, 3800, 4650, 4712, 5700, 5890, 6200, 7068, 7142, 8835, 9300, 10713, 11400, 11780, 14136, 14284, 14725, 17670, 17855, 18600, 21426, 23560, 28568, 29450, 35340, 35710, 42852, 44175, 53565, 58900, 67849, 70680, 71420, 85704, 88350, 89275, 107130, 110701, 117800, 135698, 142840, 176700, 178550, 203547, 214260, 221402, 267825, 271396, 332103, 339245, 353400, 357100, 407094, 428520, 442804, 535650, 542792, 553505, 664206, 678490, 714200, 814188, 885608, 1017735, 1071300, 1107010, 1328412, 1356980, 1628376, 1660515, 1696225, 2035470, 2103319, 2142600, 2214020, 2656824, 2713960, 2767525, 3321030, 3392450, 4070940, 4206638, 4428040, 5088675, 5535050, 6309957, 6642060, 6784900, 8141880, 8302575, 8413276, 10177350, 10516595, 11070100, 12619914, 13284120, 13569800, 16605150, 16826552, 20354700, 21033190, 22140200, 25239828, 31549785, 33210300, 40709400, 42066380, 50479656, 52582975, 63099570, 66420600, 84132760, 105165950, 126199140, 157748925, 210331900, 252398280, 315497850, 420663800, 630995700, 1261991400]

約数ペア:

[(1, 1261991400), (2, 630995700), (3, 420663800), (4, 315497850), (5, 252398280), (6, 210331900), (8, 157748925), (10, 126199140), (12, 105165950), (15, 84132760), (19, 66420600), (20, 63099570), (24, 52582975), (25, 50479656), (30, 42066380), (31, 40709400), (38, 33210300), (40, 31549785), (50, 25239828), (57, 22140200), (60, 21033190), (62, 20354700), (75, 16826552), (76, 16605150), (93, 13569800), (95, 13284120), (100, 12619914), (114, 11070100), (120, 10516595), (124, 10177350), (150, 8413276), (152, 8302575), (155, 8141880), (186, 6784900), (190, 6642060), (200, 6309957), (228, 5535050), (248, 5088675), (285, 4428040), (300, 4206638), (310, 4070940), (372, 3392450), (380, 3321030), (456, 2767525), (465, 2713960), (475, 2656824), (570, 2214020), (589, 2142600), (600, 2103319), (620, 2035470), (744, 1696225), (760, 1660515), (775, 1628376), (930, 1356980), (950, 1328412), (1140, 1107010), (1178, 1071300), (1240, 1017735), (1425, 885608), (1550, 814188), (1767, 714200), (1860, 678490), (1900, 664206), (2280, 553505), (2325, 542792), (2356, 535650), (2850, 442804), (2945, 428520), (3100, 407094), (3534, 357100), (3571, 353400), (3720, 339245), (3800, 332103), (4650, 271396), (4712, 267825), (5700, 221402), (5890, 214260), (6200, 203547), (7068, 178550), (7142, 176700), (8835, 142840), (9300, 135698), (10713, 117800), (11400, 110701), (11780, 107130), (14136, 89275), (14284, 88350), (14725, 85704), (17670, 71420), (17855, 70680), (18600, 67849), (21426, 58900), (23560, 53565), (28568, 44175), (29450, 42852), (35340, 35710)]