1020445020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1065

約数の個数: 192

約数和(自身を含む): 3642240000

約数和(自身を除く): 2621794980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 499, 540, 541, 630, 756, 945, 998, 1082, 1260, 1497, 1623, 1890, 1996, 2164, 2495, 2705, 2994, 3246, 3493, 3780, 3787, 4491, 4869, 4990, 5410, 5988, 6492, 6986, 7485, 7574, 8115, 8982, 9738, 9980, 10479, 10820, 11361, 13473, 13972, 14607, 14970, 15148, 16230, 17465, 17964, 18935, 19476, 20958, 22455, 22722, 24345, 26946, 29214, 29940, 31437, 32460, 34083, 34930, 37870, 41916, 44910, 45444, 48690, 52395, 53892, 56805, 58428, 62874, 67365, 68166, 69860, 73035, 75740, 89820, 94311, 97380, 102249, 104790, 113610, 125748, 134730, 136332, 146070, 157185, 170415, 188622, 204498, 209580, 227220, 269460, 269959, 292140, 314370, 340830, 377244, 408996, 471555, 511245, 539918, 628740, 681660, 809877, 943110, 1022490, 1079836, 1349795, 1619754, 1886220, 1889713, 2044980, 2429631, 2699590, 3239508, 3779426, 4049385, 4859262, 5399180, 5669139, 7288893, 7558852, 8098770, 9448565, 9718524, 11338278, 12148155, 14577786, 16197540, 17007417, 18897130, 22676556, 24296310, 28345695, 29155572, 34014834, 36444465, 37794260, 48592620, 51022251, 56691390, 68029668, 72888930, 85037085, 102044502, 113382780, 145777860, 170074170, 204089004, 255111255, 340148340, 510222510, 1020445020]

約数ペア:

[(1, 1020445020), (2, 510222510), (3, 340148340), (4, 255111255), (5, 204089004), (6, 170074170), (7, 145777860), (9, 113382780), (10, 102044502), (12, 85037085), (14, 72888930), (15, 68029668), (18, 56691390), (20, 51022251), (21, 48592620), (27, 37794260), (28, 36444465), (30, 34014834), (35, 29155572), (36, 28345695), (42, 24296310), (45, 22676556), (54, 18897130), (60, 17007417), (63, 16197540), (70, 14577786), (84, 12148155), (90, 11338278), (105, 9718524), (108, 9448565), (126, 8098770), (135, 7558852), (140, 7288893), (180, 5669139), (189, 5399180), (210, 4859262), (252, 4049385), (270, 3779426), (315, 3239508), (378, 2699590), (420, 2429631), (499, 2044980), (540, 1889713), (541, 1886220), (630, 1619754), (756, 1349795), (945, 1079836), (998, 1022490), (1082, 943110), (1260, 809877), (1497, 681660), (1623, 628740), (1890, 539918), (1996, 511245), (2164, 471555), (2495, 408996), (2705, 377244), (2994, 340830), (3246, 314370), (3493, 292140), (3780, 269959), (3787, 269460), (4491, 227220), (4869, 209580), (4990, 204498), (5410, 188622), (5988, 170415), (6492, 157185), (6986, 146070), (7485, 136332), (7574, 134730), (8115, 125748), (8982, 113610), (9738, 104790), (9980, 102249), (10479, 97380), (10820, 94311), (11361, 89820), (13473, 75740), (13972, 73035), (14607, 69860), (14970, 68166), (15148, 67365), (16230, 62874), (17465, 58428), (17964, 56805), (18935, 53892), (19476, 52395), (20958, 48690), (22455, 45444), (22722, 44910), (24345, 41916), (26946, 37870), (29214, 34930), (29940, 34083), (31437, 32460)]