66555720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^5\times {\mathrm{11}}^1$

素因数の和:63

約数の個数: 288

約数和(自身を含む): 275296320

約数和(自身を除く): 208740600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 330, 343, 360, 385, 392, 396, 420, 440, 441, 462, 490, 495, 504, 539, 588, 616, 630, 660, 686, 693, 735, 770, 792, 840, 882, 924, 980, 990, 1029, 1078, 1155, 1176, 1260, 1320, 1372, 1386, 1470, 1540, 1617, 1715, 1764, 1848, 1960, 1980, 2058, 2156, 2205, 2310, 2401, 2520, 2695, 2744, 2772, 2940, 3080, 3087, 3234, 3430, 3465, 3528, 3773, 3960, 4116, 4312, 4410, 4620, 4802, 4851, 5145, 5390, 5544, 5880, 6174, 6468, 6860, 6930, 7203, 7546, 8085, 8232, 8820, 9240, 9604, 9702, 10290, 10780, 11319, 12005, 12348, 12936, 13720, 13860, 14406, 15092, 15435, 16170, 16807, 17640, 18865, 19208, 19404, 20580, 21560, 21609, 22638, 24010, 24255, 24696, 26411, 27720, 28812, 30184, 30870, 32340, 33614, 33957, 36015, 37730, 38808, 41160, 43218, 45276, 48020, 48510, 50421, 52822, 56595, 57624, 61740, 64680, 67228, 67914, 72030, 75460, 79233, 84035, 86436, 90552, 96040, 97020, 100842, 105644, 108045, 113190, 123480, 132055, 134456, 135828, 144060, 150920, 151263, 158466, 168070, 169785, 172872, 184877, 194040, 201684, 211288, 216090, 226380, 237699, 252105, 264110, 271656, 288120, 302526, 316932, 336140, 339570, 369754, 396165, 403368, 432180, 452760, 475398, 504210, 528220, 554631, 605052, 633864, 672280, 679140, 739508, 756315, 792330, 864360, 924385, 950796, 1008420, 1056440, 1109262, 1188495, 1210104, 1358280, 1479016, 1512630, 1584660, 1663893, 1848770, 1901592, 2016840, 2218524, 2376990, 2773155, 3025260, 3169320, 3327786, 3697540, 4437048, 4753980, 5546310, 6050520, 6655572, 7395080, 8319465, 9507960, 11092620, 13311144, 16638930, 22185240, 33277860, 66555720]

約数ペア:

[(1, 66555720), (2, 33277860), (3, 22185240), (4, 16638930), (5, 13311144), (6, 11092620), (7, 9507960), (8, 8319465), (9, 7395080), (10, 6655572), (11, 6050520), (12, 5546310), (14, 4753980), (15, 4437048), (18, 3697540), (20, 3327786), (21, 3169320), (22, 3025260), (24, 2773155), (28, 2376990), (30, 2218524), (33, 2016840), (35, 1901592), (36, 1848770), (40, 1663893), (42, 1584660), (44, 1512630), (45, 1479016), (49, 1358280), (55, 1210104), (56, 1188495), (60, 1109262), (63, 1056440), (66, 1008420), (70, 950796), (72, 924385), (77, 864360), (84, 792330), (88, 756315), (90, 739508), (98, 679140), (99, 672280), (105, 633864), (110, 605052), (120, 554631), (126, 528220), (132, 504210), (140, 475398), (147, 452760), (154, 432180), (165, 403368), (168, 396165), (180, 369754), (196, 339570), (198, 336140), (210, 316932), (220, 302526), (231, 288120), (245, 271656), (252, 264110), (264, 252105), (280, 237699), (294, 226380), (308, 216090), (315, 211288), (330, 201684), (343, 194040), (360, 184877), (385, 172872), (392, 169785), (396, 168070), (420, 158466), (440, 151263), (441, 150920), (462, 144060), (490, 135828), (495, 134456), (504, 132055), (539, 123480), (588, 113190), (616, 108045), (630, 105644), (660, 100842), (686, 97020), (693, 96040), (735, 90552), (770, 86436), (792, 84035), (840, 79233), (882, 75460), (924, 72030), (980, 67914), (990, 67228), (1029, 64680), (1078, 61740), (1155, 57624), (1176, 56595), (1260, 52822), (1320, 50421), (1372, 48510), (1386, 48020), (1470, 45276), (1540, 43218), (1617, 41160), (1715, 38808), (1764, 37730), (1848, 36015), (1960, 33957), (1980, 33614), (2058, 32340), (2156, 30870), (2205, 30184), (2310, 28812), (2401, 27720), (2520, 26411), (2695, 24696), (2744, 24255), (2772, 24010), (2940, 22638), (3080, 21609), (3087, 21560), (3234, 20580), (3430, 19404), (3465, 19208), (3528, 18865), (3773, 17640), (3960, 16807), (4116, 16170), (4312, 15435), (4410, 15092), (4620, 14406), (4802, 13860), (4851, 13720), (5145, 12936), (5390, 12348), (5544, 12005), (5880, 11319), (6174, 10780), (6468, 10290), (6860, 9702), (6930, 9604), (7203, 9240), (7546, 8820), (8085, 8232)]