81933880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2501

約数の個数: 96

約数和(自身を含む): 227156400

約数和(自身を除く): 145222520

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, 2459, 3332, 4165, 4760, 4918, 6664, 8330, 9836, 12295, 16660, 17213, 19672, 24590, 33320, 34426, 41803, 49180, 68852, 83606, 86065, 98360, 120491, 137704, 167212, 172130, 209015, 240982, 292621, 334424, 344260, 418030, 481964, 585242, 602455, 688520, 836060, 963928, 1170484, 1204910, 1463105, 1672120, 2048347, 2340968, 2409820, 2926210, 4096694, 4819640, 5852420, 8193388, 10241735, 11704840, 16386776, 20483470, 40966940, 81933880]

約数ペア:

[(1, 81933880), (2, 40966940), (4, 20483470), (5, 16386776), (7, 11704840), (8, 10241735), (10, 8193388), (14, 5852420), (17, 4819640), (20, 4096694), (28, 2926210), (34, 2409820), (35, 2340968), (40, 2048347), (49, 1672120), (56, 1463105), (68, 1204910), (70, 1170484), (85, 963928), (98, 836060), (119, 688520), (136, 602455), (140, 585242), (170, 481964), (196, 418030), (238, 344260), (245, 334424), (280, 292621), (340, 240982), (392, 209015), (476, 172130), (490, 167212), (595, 137704), (680, 120491), (833, 98360), (952, 86065), (980, 83606), (1190, 68852), (1666, 49180), (1960, 41803), (2380, 34426), (2459, 33320), (3332, 24590), (4165, 19672), (4760, 17213), (4918, 16660), (6664, 12295), (8330, 9836)]