647722920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 2270224800

約数和(自身を除く): 1622501880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 41, 52, 57, 60, 65, 76, 78, 82, 95, 104, 114, 120, 123, 130, 152, 156, 164, 169, 190, 195, 205, 228, 246, 247, 260, 285, 312, 328, 338, 380, 390, 410, 456, 492, 494, 507, 520, 533, 570, 615, 676, 741, 760, 779, 780, 820, 845, 984, 988, 1014, 1066, 1140, 1230, 1235, 1352, 1482, 1558, 1560, 1599, 1640, 1681, 1690, 1976, 2028, 2132, 2280, 2337, 2460, 2470, 2535, 2665, 2964, 3116, 3198, 3211, 3362, 3380, 3705, 3895, 4056, 4264, 4674, 4920, 4940, 5043, 5070, 5330, 5928, 6232, 6396, 6422, 6724, 6760, 6929, 7410, 7790, 7995, 8405, 9348, 9633, 9880, 10086, 10127, 10140, 10660, 11685, 12792, 12844, 13448, 13858, 14820, 15580, 15990, 16055, 16810, 18696, 19266, 20172, 20254, 20280, 20787, 21320, 21853, 23370, 25215, 25688, 27716, 29640, 30381, 31160, 31939, 31980, 32110, 33620, 34645, 38532, 40344, 40508, 41574, 43706, 46740, 48165, 50430, 50635, 55432, 60762, 63878, 63960, 64220, 65559, 67240, 69290, 77064, 81016, 83148, 87412, 93480, 95817, 96330, 100860, 101270, 103935, 109265, 121524, 127756, 128440, 131118, 131651, 138580, 151905, 159695, 166296, 174824, 191634, 192660, 201720, 202540, 207870, 218530, 243048, 255512, 262236, 263302, 277160, 284089, 303810, 319390, 327795, 383268, 385320, 394953, 405080, 415207, 415740, 437060, 479085, 524472, 526604, 568178, 607620, 638780, 655590, 658255, 766536, 789906, 830414, 831480, 852267, 874120, 958170, 1053208, 1136356, 1215240, 1245621, 1277560, 1311180, 1316510, 1420445, 1579812, 1660828, 1704534, 1916340, 1974765, 2076035, 2272712, 2491242, 2622360, 2633020, 2840890, 3159624, 3321656, 3409068, 3832680, 3949530, 4152070, 4261335, 4982484, 5266040, 5397691, 5681780, 6228105, 6818136, 7899060, 8304140, 8522670, 9964968, 10795382, 11363560, 12456210, 15798120, 16193073, 16608280, 17045340, 21590764, 24912420, 26988455, 32386146, 34090680, 43181528, 49824840, 53976910, 64772292, 80965365, 107953820, 129544584, 161930730, 215907640, 323861460, 647722920]

約数ペア:

[(1, 647722920), (2, 323861460), (3, 215907640), (4, 161930730), (5, 129544584), (6, 107953820), (8, 80965365), (10, 64772292), (12, 53976910), (13, 49824840), (15, 43181528), (19, 34090680), (20, 32386146), (24, 26988455), (26, 24912420), (30, 21590764), (38, 17045340), (39, 16608280), (40, 16193073), (41, 15798120), (52, 12456210), (57, 11363560), (60, 10795382), (65, 9964968), (76, 8522670), (78, 8304140), (82, 7899060), (95, 6818136), (104, 6228105), (114, 5681780), (120, 5397691), (123, 5266040), (130, 4982484), (152, 4261335), (156, 4152070), (164, 3949530), (169, 3832680), (190, 3409068), (195, 3321656), (205, 3159624), (228, 2840890), (246, 2633020), (247, 2622360), (260, 2491242), (285, 2272712), (312, 2076035), (328, 1974765), (338, 1916340), (380, 1704534), (390, 1660828), (410, 1579812), (456, 1420445), (492, 1316510), (494, 1311180), (507, 1277560), (520, 1245621), (533, 1215240), (570, 1136356), (615, 1053208), (676, 958170), (741, 874120), (760, 852267), (779, 831480), (780, 830414), (820, 789906), (845, 766536), (984, 658255), (988, 655590), (1014, 638780), (1066, 607620), (1140, 568178), (1230, 526604), (1235, 524472), (1352, 479085), (1482, 437060), (1558, 415740), (1560, 415207), (1599, 405080), (1640, 394953), (1681, 385320), (1690, 383268), (1976, 327795), (2028, 319390), (2132, 303810), (2280, 284089), (2337, 277160), (2460, 263302), (2470, 262236), (2535, 255512), (2665, 243048), (2964, 218530), (3116, 207870), (3198, 202540), (3211, 201720), (3362, 192660), (3380, 191634), (3705, 174824), (3895, 166296), (4056, 159695), (4264, 151905), (4674, 138580), (4920, 131651), (4940, 131118), (5043, 128440), (5070, 127756), (5330, 121524), (5928, 109265), (6232, 103935), (6396, 101270), (6422, 100860), (6724, 96330), (6760, 95817), (6929, 93480), (7410, 87412), (7790, 83148), (7995, 81016), (8405, 77064), (9348, 69290), (9633, 67240), (9880, 65559), (10086, 64220), (10127, 63960), (10140, 63878), (10660, 60762), (11685, 55432), (12792, 50635), (12844, 50430), (13448, 48165), (13858, 46740), (14820, 43706), (15580, 41574), (15990, 40508), (16055, 40344), (16810, 38532), (18696, 34645), (19266, 33620), (20172, 32110), (20254, 31980), (20280, 31939), (20787, 31160), (21320, 30381), (21853, 29640), (23370, 27716), (25215, 25688)]