200640180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 622750464

約数和(自身を除く): 422110284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 169, 188, 195, 235, 260, 282, 338, 390, 421, 470, 507, 564, 611, 676, 705, 780, 842, 845, 940, 1014, 1222, 1263, 1410, 1684, 1690, 1833, 2028, 2105, 2444, 2526, 2535, 2820, 3055, 3380, 3666, 4210, 5052, 5070, 5473, 6110, 6315, 7332, 7943, 8420, 9165, 10140, 10946, 12220, 12630, 15886, 16419, 18330, 19787, 21892, 23829, 25260, 27365, 31772, 32838, 36660, 39574, 39715, 47658, 54730, 59361, 65676, 71149, 79148, 79430, 82095, 95316, 98935, 109460, 118722, 119145, 142298, 158860, 164190, 197870, 213447, 237444, 238290, 257231, 284596, 296805, 328380, 355745, 395740, 426894, 476580, 514462, 593610, 711490, 771693, 853788, 1028924, 1067235, 1187220, 1286155, 1422980, 1543386, 2134470, 2572310, 3086772, 3344003, 3858465, 4268940, 5144620, 6688006, 7716930, 10032009, 13376012, 15433860, 16720015, 20064018, 33440030, 40128036, 50160045, 66880060, 100320090, 200640180]

約数ペア:

[(1, 200640180), (2, 100320090), (3, 66880060), (4, 50160045), (5, 40128036), (6, 33440030), (10, 20064018), (12, 16720015), (13, 15433860), (15, 13376012), (20, 10032009), (26, 7716930), (30, 6688006), (39, 5144620), (47, 4268940), (52, 3858465), (60, 3344003), (65, 3086772), (78, 2572310), (94, 2134470), (130, 1543386), (141, 1422980), (156, 1286155), (169, 1187220), (188, 1067235), (195, 1028924), (235, 853788), (260, 771693), (282, 711490), (338, 593610), (390, 514462), (421, 476580), (470, 426894), (507, 395740), (564, 355745), (611, 328380), (676, 296805), (705, 284596), (780, 257231), (842, 238290), (845, 237444), (940, 213447), (1014, 197870), (1222, 164190), (1263, 158860), (1410, 142298), (1684, 119145), (1690, 118722), (1833, 109460), (2028, 98935), (2105, 95316), (2444, 82095), (2526, 79430), (2535, 79148), (2820, 71149), (3055, 65676), (3380, 59361), (3666, 54730), (4210, 47658), (5052, 39715), (5070, 39574), (5473, 36660), (6110, 32838), (6315, 31772), (7332, 27365), (7943, 25260), (8420, 23829), (9165, 21892), (10140, 19787), (10946, 18330), (12220, 16419), (12630, 15886)]