981920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 2592324

約数和(自身を除く): 1610404

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 361, 380, 544, 608, 646, 680, 722, 760, 1292, 1360, 1444, 1520, 1615, 1805, 2584, 2720, 2888, 3040, 3230, 3610, 5168, 5776, 6137, 6460, 7220, 10336, 11552, 12274, 12920, 14440, 24548, 25840, 28880, 30685, 49096, 51680, 57760, 61370, 98192, 122740, 196384, 245480, 490960, 981920]

約数ペア:

[(1, 981920), (2, 490960), (4, 245480), (5, 196384), (8, 122740), (10, 98192), (16, 61370), (17, 57760), (19, 51680), (20, 49096), (32, 30685), (34, 28880), (38, 25840), (40, 24548), (68, 14440), (76, 12920), (80, 12274), (85, 11552), (95, 10336), (136, 7220), (152, 6460), (160, 6137), (170, 5776), (190, 5168), (272, 3610), (304, 3230), (323, 3040), (340, 2888), (361, 2720), (380, 2584), (544, 1805), (608, 1615), (646, 1520), (680, 1444), (722, 1360), (760, 1292)]