251602020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1583}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 764539776

約数和(自身を除く): 512937756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 883, 1583, 1766, 2649, 3166, 3532, 4415, 4749, 5298, 6332, 7915, 7947, 8830, 9498, 10596, 13245, 14247, 15830, 15894, 17660, 18996, 23745, 26490, 28494, 31660, 31788, 39735, 47490, 52980, 56988, 71235, 79470, 94980, 142470, 158940, 284940, 1397789, 2795578, 4193367, 5591156, 6988945, 8386734, 12580101, 13977890, 16773468, 20966835, 25160202, 27955780, 41933670, 50320404, 62900505, 83867340, 125801010, 251602020]

約数ペア:

[(1, 251602020), (2, 125801010), (3, 83867340), (4, 62900505), (5, 50320404), (6, 41933670), (9, 27955780), (10, 25160202), (12, 20966835), (15, 16773468), (18, 13977890), (20, 12580101), (30, 8386734), (36, 6988945), (45, 5591156), (60, 4193367), (90, 2795578), (180, 1397789), (883, 284940), (1583, 158940), (1766, 142470), (2649, 94980), (3166, 79470), (3532, 71235), (4415, 56988), (4749, 52980), (5298, 47490), (6332, 39735), (7915, 31788), (7947, 31660), (8830, 28494), (9498, 26490), (10596, 23745), (13245, 18996), (14247, 17660), (15830, 15894)]