81065040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 160

約数和(自身を含む): 291576576

約数和(自身を除く): 210511536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 661, 730, 840, 876, 1022, 1095, 1168, 1322, 1460, 1533, 1680, 1752, 1983, 2044, 2190, 2555, 2644, 2920, 3066, 3305, 3504, 3966, 4088, 4380, 4627, 5110, 5288, 5840, 6132, 6610, 7665, 7932, 8176, 8760, 9254, 9915, 10220, 10576, 12264, 13220, 13881, 15330, 15864, 17520, 18508, 19830, 20440, 23135, 24528, 26440, 27762, 30660, 31728, 37016, 39660, 40880, 46270, 48253, 52880, 55524, 61320, 69405, 74032, 79320, 92540, 96506, 111048, 122640, 138810, 144759, 158640, 185080, 193012, 222096, 241265, 277620, 289518, 337771, 370160, 386024, 482530, 555240, 579036, 675542, 723795, 772048, 965060, 1013313, 1110480, 1158072, 1351084, 1447590, 1688855, 1930120, 2026626, 2316144, 2702168, 2895180, 3377710, 3860240, 4053252, 5066565, 5404336, 5790360, 6755420, 8106504, 10133130, 11580720, 13510840, 16213008, 20266260, 27021680, 40532520, 81065040]

約数ペア:

[(1, 81065040), (2, 40532520), (3, 27021680), (4, 20266260), (5, 16213008), (6, 13510840), (7, 11580720), (8, 10133130), (10, 8106504), (12, 6755420), (14, 5790360), (15, 5404336), (16, 5066565), (20, 4053252), (21, 3860240), (24, 3377710), (28, 2895180), (30, 2702168), (35, 2316144), (40, 2026626), (42, 1930120), (48, 1688855), (56, 1447590), (60, 1351084), (70, 1158072), (73, 1110480), (80, 1013313), (84, 965060), (105, 772048), (112, 723795), (120, 675542), (140, 579036), (146, 555240), (168, 482530), (210, 386024), (219, 370160), (240, 337771), (280, 289518), (292, 277620), (336, 241265), (365, 222096), (420, 193012), (438, 185080), (511, 158640), (560, 144759), (584, 138810), (661, 122640), (730, 111048), (840, 96506), (876, 92540), (1022, 79320), (1095, 74032), (1168, 69405), (1322, 61320), (1460, 55524), (1533, 52880), (1680, 48253), (1752, 46270), (1983, 40880), (2044, 39660), (2190, 37016), (2555, 31728), (2644, 30660), (2920, 27762), (3066, 26440), (3305, 24528), (3504, 23135), (3966, 20440), (4088, 19830), (4380, 18508), (4627, 17520), (5110, 15864), (5288, 15330), (5840, 13881), (6132, 13220), (6610, 12264), (7665, 10576), (7932, 10220), (8176, 9915), (8760, 9254)]