201281640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2887}}^1$

素因数の和:2991

約数の個数: 128

約数和(自身を含む): 698664960

約数和(自身を除く): 497383320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2887, 2905, 3320, 3486, 4648, 4980, 5774, 5810, 6972, 8661, 8715, 9960, 11548, 11620, 13944, 14435, 17322, 17430, 20209, 23096, 23240, 28870, 34644, 34860, 40418, 43305, 57740, 60627, 69288, 69720, 80836, 86610, 101045, 115480, 121254, 161672, 173220, 202090, 239621, 242508, 303135, 346440, 404180, 479242, 485016, 606270, 718863, 808360, 958484, 1198105, 1212540, 1437726, 1677347, 1916968, 2396210, 2425080, 2875452, 3354694, 3594315, 4792420, 5032041, 5750904, 6709388, 7188630, 8386735, 9584840, 10064082, 13418776, 14377260, 16773470, 20128164, 25160205, 28754520, 33546940, 40256328, 50320410, 67093880, 100640820, 201281640]

約数ペア:

[(1, 201281640), (2, 100640820), (3, 67093880), (4, 50320410), (5, 40256328), (6, 33546940), (7, 28754520), (8, 25160205), (10, 20128164), (12, 16773470), (14, 14377260), (15, 13418776), (20, 10064082), (21, 9584840), (24, 8386735), (28, 7188630), (30, 6709388), (35, 5750904), (40, 5032041), (42, 4792420), (56, 3594315), (60, 3354694), (70, 2875452), (83, 2425080), (84, 2396210), (105, 1916968), (120, 1677347), (140, 1437726), (166, 1212540), (168, 1198105), (210, 958484), (249, 808360), (280, 718863), (332, 606270), (415, 485016), (420, 479242), (498, 404180), (581, 346440), (664, 303135), (830, 242508), (840, 239621), (996, 202090), (1162, 173220), (1245, 161672), (1660, 121254), (1743, 115480), (1992, 101045), (2324, 86610), (2490, 80836), (2887, 69720), (2905, 69288), (3320, 60627), (3486, 57740), (4648, 43305), (4980, 40418), (5774, 34860), (5810, 34644), (6972, 28870), (8661, 23240), (8715, 23096), (9960, 20209), (11548, 17430), (11620, 17322), (13944, 14435)]