81534040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2489

約数の個数: 96

約数和(自身を含む): 226048320

約数和(自身を除く): 144514280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 952, 980, 1190, 1666, 1960, 2380, 2447, 3332, 4165, 4760, 4894, 6664, 8330, 9788, 12235, 16660, 17129, 19576, 24470, 33320, 34258, 41599, 48940, 68516, 83198, 85645, 97880, 119903, 137032, 166396, 171290, 207995, 239806, 291193, 332792, 342580, 415990, 479612, 582386, 599515, 685160, 831980, 959224, 1164772, 1199030, 1455965, 1663960, 2038351, 2329544, 2398060, 2911930, 4076702, 4796120, 5823860, 8153404, 10191755, 11647720, 16306808, 20383510, 40767020, 81534040]

約数ペア:

[(1, 81534040), (2, 40767020), (4, 20383510), (5, 16306808), (7, 11647720), (8, 10191755), (10, 8153404), (14, 5823860), (17, 4796120), (20, 4076702), (28, 2911930), (34, 2398060), (35, 2329544), (40, 2038351), (49, 1663960), (56, 1455965), (68, 1199030), (70, 1164772), (85, 959224), (98, 831980), (119, 685160), (136, 599515), (140, 582386), (170, 479612), (196, 415990), (238, 342580), (245, 332792), (280, 291193), (340, 239806), (392, 207995), (476, 171290), (490, 166396), (595, 137032), (680, 119903), (833, 97880), (952, 85645), (980, 83198), (1190, 68516), (1666, 48940), (1960, 41599), (2380, 34258), (2447, 33320), (3332, 24470), (4165, 19576), (4760, 17129), (4894, 16660), (6664, 12235), (8330, 9788)]