661540320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{65629}}^1$

素因数の和:65657

約数の個数: 144

約数和(自身を含む): 2580046560

約数和(自身を除く): 1918506240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 65629, 131258, 196887, 262516, 328145, 393774, 459403, 525032, 590661, 656290, 787548, 918806, 984435, 1050064, 1181322, 1312580, 1378209, 1575096, 1837612, 1968870, 2100128, 2297015, 2362644, 2625160, 2756418, 2953305, 3150192, 3675224, 3937740, 4134627, 4594030, 4725288, 5250320, 5512836, 5906610, 6300384, 6891045, 7350448, 7875480, 8269254, 9188060, 9450576, 10500640, 11025672, 11813220, 13782090, 14700896, 15750960, 16538508, 18376120, 18901152, 20673135, 22051344, 23626440, 27564180, 31501920, 33077016, 36752240, 41346270, 44102688, 47252880, 55128360, 66154032, 73504480, 82692540, 94505760, 110256720, 132308064, 165385080, 220513440, 330770160, 661540320]

約数ペア:

[(1, 661540320), (2, 330770160), (3, 220513440), (4, 165385080), (5, 132308064), (6, 110256720), (7, 94505760), (8, 82692540), (9, 73504480), (10, 66154032), (12, 55128360), (14, 47252880), (15, 44102688), (16, 41346270), (18, 36752240), (20, 33077016), (21, 31501920), (24, 27564180), (28, 23626440), (30, 22051344), (32, 20673135), (35, 18901152), (36, 18376120), (40, 16538508), (42, 15750960), (45, 14700896), (48, 13782090), (56, 11813220), (60, 11025672), (63, 10500640), (70, 9450576), (72, 9188060), (80, 8269254), (84, 7875480), (90, 7350448), (96, 6891045), (105, 6300384), (112, 5906610), (120, 5512836), (126, 5250320), (140, 4725288), (144, 4594030), (160, 4134627), (168, 3937740), (180, 3675224), (210, 3150192), (224, 2953305), (240, 2756418), (252, 2625160), (280, 2362644), (288, 2297015), (315, 2100128), (336, 1968870), (360, 1837612), (420, 1575096), (480, 1378209), (504, 1312580), (560, 1181322), (630, 1050064), (672, 984435), (720, 918806), (840, 787548), (1008, 656290), (1120, 590661), (1260, 525032), (1440, 459403), (1680, 393774), (2016, 328145), (2520, 262516), (3360, 196887), (5040, 131258), (10080, 65629)]