72407790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 242464320

約数和(自身を除く): 170056530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 49, 54, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 135, 147, 182, 189, 195, 210, 234, 245, 270, 273, 294, 315, 351, 378, 390, 421, 441, 455, 490, 546, 585, 630, 637, 702, 735, 819, 842, 882, 910, 945, 1170, 1263, 1274, 1323, 1365, 1470, 1638, 1755, 1890, 1911, 2105, 2205, 2457, 2526, 2646, 2730, 2947, 3185, 3510, 3789, 3822, 4095, 4210, 4410, 4914, 5473, 5733, 5894, 6315, 6370, 6615, 7578, 8190, 8841, 9555, 10946, 11367, 11466, 12285, 12630, 13230, 14735, 16419, 17199, 17682, 18945, 19110, 20629, 22734, 24570, 26523, 27365, 28665, 29470, 32838, 34398, 37890, 38311, 41258, 44205, 49257, 53046, 54730, 56835, 57330, 61887, 76622, 79569, 82095, 85995, 88410, 98514, 103145, 113670, 114933, 123774, 132615, 147771, 159138, 164190, 171990, 185661, 191555, 206290, 229866, 246285, 265230, 268177, 295542, 309435, 344799, 371322, 383110, 397845, 492570, 536354, 556983, 574665, 618870, 689598, 738855, 795690, 804531, 928305, 1034397, 1113966, 1149330, 1340885, 1477710, 1609062, 1723995, 1856610, 2068794, 2413593, 2681770, 2784915, 3447990, 4022655, 4827186, 5171985, 5569830, 7240779, 8045310, 10343970, 12067965, 14481558, 24135930, 36203895, 72407790]

約数ペア:

[(1, 72407790), (2, 36203895), (3, 24135930), (5, 14481558), (6, 12067965), (7, 10343970), (9, 8045310), (10, 7240779), (13, 5569830), (14, 5171985), (15, 4827186), (18, 4022655), (21, 3447990), (26, 2784915), (27, 2681770), (30, 2413593), (35, 2068794), (39, 1856610), (42, 1723995), (45, 1609062), (49, 1477710), (54, 1340885), (63, 1149330), (65, 1113966), (70, 1034397), (78, 928305), (90, 804531), (91, 795690), (98, 738855), (105, 689598), (117, 618870), (126, 574665), (130, 556983), (135, 536354), (147, 492570), (182, 397845), (189, 383110), (195, 371322), (210, 344799), (234, 309435), (245, 295542), (270, 268177), (273, 265230), (294, 246285), (315, 229866), (351, 206290), (378, 191555), (390, 185661), (421, 171990), (441, 164190), (455, 159138), (490, 147771), (546, 132615), (585, 123774), (630, 114933), (637, 113670), (702, 103145), (735, 98514), (819, 88410), (842, 85995), (882, 82095), (910, 79569), (945, 76622), (1170, 61887), (1263, 57330), (1274, 56835), (1323, 54730), (1365, 53046), (1470, 49257), (1638, 44205), (1755, 41258), (1890, 38311), (1911, 37890), (2105, 34398), (2205, 32838), (2457, 29470), (2526, 28665), (2646, 27365), (2730, 26523), (2947, 24570), (3185, 22734), (3510, 20629), (3789, 19110), (3822, 18945), (4095, 17682), (4210, 17199), (4410, 16419), (4914, 14735), (5473, 13230), (5733, 12630), (5894, 12285), (6315, 11466), (6370, 11367), (6615, 10946), (7578, 9555), (8190, 8841)]