66641640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42719}}^1$

素因数の和:42746

約数の個数: 64

約数和(自身を含む): 215308800

約数和(自身を除く): 148667160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42719, 85438, 128157, 170876, 213595, 256314, 341752, 427190, 512628, 555347, 640785, 854380, 1025256, 1110694, 1281570, 1666041, 1708760, 2221388, 2563140, 2776735, 3332082, 4442776, 5126280, 5553470, 6664164, 8330205, 11106940, 13328328, 16660410, 22213880, 33320820, 66641640]

約数ペア:

[(1, 66641640), (2, 33320820), (3, 22213880), (4, 16660410), (5, 13328328), (6, 11106940), (8, 8330205), (10, 6664164), (12, 5553470), (13, 5126280), (15, 4442776), (20, 3332082), (24, 2776735), (26, 2563140), (30, 2221388), (39, 1708760), (40, 1666041), (52, 1281570), (60, 1110694), (65, 1025256), (78, 854380), (104, 640785), (120, 555347), (130, 512628), (156, 427190), (195, 341752), (260, 256314), (312, 213595), (390, 170876), (520, 128157), (780, 85438), (1560, 42719)]