20251680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1410

約数の個数: 96

約数和(自身を含む): 65899008

約数和(自身を除く): 45647328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1361, 1488, 1860, 2480, 2722, 2976, 3720, 4083, 4960, 5444, 6805, 7440, 8166, 10888, 13610, 14880, 16332, 20415, 21776, 27220, 32664, 40830, 42191, 43552, 54440, 65328, 81660, 84382, 108880, 126573, 130656, 163320, 168764, 210955, 217760, 253146, 326640, 337528, 421910, 506292, 632865, 653280, 675056, 843820, 1012584, 1265730, 1350112, 1687640, 2025168, 2531460, 3375280, 4050336, 5062920, 6750560, 10125840, 20251680]

約数ペア:

[(1, 20251680), (2, 10125840), (3, 6750560), (4, 5062920), (5, 4050336), (6, 3375280), (8, 2531460), (10, 2025168), (12, 1687640), (15, 1350112), (16, 1265730), (20, 1012584), (24, 843820), (30, 675056), (31, 653280), (32, 632865), (40, 506292), (48, 421910), (60, 337528), (62, 326640), (80, 253146), (93, 217760), (96, 210955), (120, 168764), (124, 163320), (155, 130656), (160, 126573), (186, 108880), (240, 84382), (248, 81660), (310, 65328), (372, 54440), (465, 43552), (480, 42191), (496, 40830), (620, 32664), (744, 27220), (930, 21776), (992, 20415), (1240, 16332), (1361, 14880), (1488, 13610), (1860, 10888), (2480, 8166), (2722, 7440), (2976, 6805), (3720, 5444), (4083, 4960)]