1650040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2704520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 83, 140, 142, 166, 280, 284, 332, 355, 415, 497, 568, 581, 664, 710, 830, 994, 1162, 1420, 1660, 1988, 2324, 2485, 2840, 2905, 3320, 3976, 4648, 4970, 5810, 5893, 9940, 11620, 11786, 19880, 23240, 23572, 29465, 41251, 47144, 58930, 82502, 117860, 165004, 206255, 235720, 330008, 412510, 825020, 1650040]

約数ペア:

[(1, 1650040), (2, 825020), (4, 412510), (5, 330008), (7, 235720), (8, 206255), (10, 165004), (14, 117860), (20, 82502), (28, 58930), (35, 47144), (40, 41251), (56, 29465), (70, 23572), (71, 23240), (83, 19880), (140, 11786), (142, 11620), (166, 9940), (280, 5893), (284, 5810), (332, 4970), (355, 4648), (415, 3976), (497, 3320), (568, 2905), (581, 2840), (664, 2485), (710, 2324), (830, 1988), (994, 1660), (1162, 1420)]