81187470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 271724544

約数和(自身を除く): 190537074

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 26, 30, 35, 39, 42, 45, 46, 63, 65, 69, 70, 78, 90, 91, 105, 115, 117, 126, 130, 138, 161, 182, 195, 207, 210, 230, 234, 273, 299, 315, 322, 345, 390, 414, 431, 455, 483, 546, 585, 598, 630, 690, 805, 819, 862, 897, 910, 966, 1035, 1170, 1293, 1365, 1449, 1495, 1610, 1638, 1794, 2070, 2093, 2155, 2415, 2586, 2691, 2730, 2898, 2990, 3017, 3879, 4095, 4186, 4310, 4485, 4830, 5382, 5603, 6034, 6279, 6465, 7245, 7758, 8190, 8970, 9051, 9913, 10465, 11206, 12558, 12930, 13455, 14490, 15085, 16809, 18102, 18837, 19395, 19826, 20930, 26910, 27153, 28015, 29739, 30170, 31395, 33618, 37674, 38790, 39221, 45255, 49565, 50427, 54306, 56030, 59478, 62790, 69391, 78442, 84045, 89217, 90510, 94185, 99130, 100854, 117663, 128869, 135765, 138782, 148695, 168090, 178434, 188370, 196105, 208173, 235326, 252135, 257738, 271530, 297390, 346955, 352989, 386607, 392210, 416346, 446085, 504270, 588315, 624519, 644345, 693910, 705978, 773214, 892170, 902083, 1040865, 1159821, 1176630, 1249038, 1288690, 1764945, 1804166, 1933035, 2081730, 2319642, 2706249, 3122595, 3529890, 3866070, 4510415, 5412498, 5799105, 6245190, 8118747, 9020830, 11598210, 13531245, 16237494, 27062490, 40593735, 81187470]

約数ペア:

[(1, 81187470), (2, 40593735), (3, 27062490), (5, 16237494), (6, 13531245), (7, 11598210), (9, 9020830), (10, 8118747), (13, 6245190), (14, 5799105), (15, 5412498), (18, 4510415), (21, 3866070), (23, 3529890), (26, 3122595), (30, 2706249), (35, 2319642), (39, 2081730), (42, 1933035), (45, 1804166), (46, 1764945), (63, 1288690), (65, 1249038), (69, 1176630), (70, 1159821), (78, 1040865), (90, 902083), (91, 892170), (105, 773214), (115, 705978), (117, 693910), (126, 644345), (130, 624519), (138, 588315), (161, 504270), (182, 446085), (195, 416346), (207, 392210), (210, 386607), (230, 352989), (234, 346955), (273, 297390), (299, 271530), (315, 257738), (322, 252135), (345, 235326), (390, 208173), (414, 196105), (431, 188370), (455, 178434), (483, 168090), (546, 148695), (585, 138782), (598, 135765), (630, 128869), (690, 117663), (805, 100854), (819, 99130), (862, 94185), (897, 90510), (910, 89217), (966, 84045), (1035, 78442), (1170, 69391), (1293, 62790), (1365, 59478), (1449, 56030), (1495, 54306), (1610, 50427), (1638, 49565), (1794, 45255), (2070, 39221), (2093, 38790), (2155, 37674), (2415, 33618), (2586, 31395), (2691, 30170), (2730, 29739), (2898, 28015), (2990, 27153), (3017, 26910), (3879, 20930), (4095, 19826), (4186, 19395), (4310, 18837), (4485, 18102), (4830, 16809), (5382, 15085), (5603, 14490), (6034, 13455), (6279, 12930), (6465, 12558), (7245, 11206), (7758, 10465), (8190, 9913), (8970, 9051)]