640874160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 320

約数和(自身を含む): 2416988160

約数和(自身を除く): 1776114000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 48, 51, 54, 60, 62, 68, 72, 80, 85, 90, 93, 102, 108, 120, 124, 135, 136, 144, 153, 155, 170, 180, 186, 204, 216, 240, 248, 255, 270, 272, 279, 306, 310, 340, 360, 372, 408, 432, 459, 465, 496, 510, 527, 540, 558, 563, 612, 620, 680, 720, 744, 765, 816, 837, 918, 930, 1020, 1054, 1080, 1116, 1126, 1224, 1240, 1360, 1395, 1488, 1530, 1581, 1674, 1689, 1836, 1860, 2040, 2108, 2160, 2232, 2252, 2295, 2448, 2480, 2635, 2790, 2815, 3060, 3162, 3348, 3378, 3672, 3720, 4080, 4185, 4216, 4464, 4504, 4590, 4743, 5067, 5270, 5580, 5630, 6120, 6324, 6696, 6756, 7344, 7440, 7905, 8370, 8432, 8445, 9008, 9180, 9486, 9571, 10134, 10540, 11160, 11260, 12240, 12648, 13392, 13512, 14229, 15201, 15810, 16740, 16890, 17453, 18360, 18972, 19142, 20268, 21080, 22320, 22520, 23715, 25296, 25335, 27024, 28458, 28713, 30402, 31620, 33480, 33780, 34906, 36720, 37944, 38284, 40536, 42160, 45040, 47430, 47855, 50670, 52359, 56916, 57426, 60804, 63240, 66960, 67560, 69812, 71145, 75888, 76005, 76568, 81072, 86139, 87265, 94860, 95710, 101340, 104718, 113832, 114852, 121608, 126480, 135120, 139624, 142290, 143565, 152010, 153136, 157077, 172278, 174530, 189720, 191420, 202680, 209436, 227664, 229704, 243216, 258417, 261795, 279248, 284580, 287130, 296701, 304020, 314154, 344556, 349060, 379440, 382840, 405360, 418872, 430695, 459408, 471231, 516834, 523590, 569160, 574260, 593402, 608040, 628308, 689112, 698120, 765680, 785385, 837744, 861390, 890103, 942462, 1033668, 1047180, 1138320, 1148520, 1186804, 1216080, 1256616, 1292085, 1378224, 1396240, 1483505, 1570770, 1722780, 1780206, 1884924, 2067336, 2094360, 2297040, 2356155, 2373608, 2513232, 2584170, 2670309, 2967010, 3141540, 3445560, 3560412, 3769848, 4134672, 4188720, 4450515, 4712310, 4747216, 5168340, 5340618, 5934020, 6283080, 6891120, 7120824, 7539696, 8010927, 8901030, 9424620, 10336680, 10681236, 11868040, 12566160, 13351545, 14241648, 16021854, 17802060, 18849240, 20673360, 21362472, 23736080, 26703090, 32043708, 35604120, 37698480, 40054635, 42724944, 53406180, 64087416, 71208240, 80109270, 106812360, 128174832, 160218540, 213624720, 320437080, 640874160]

約数ペア:

[(1, 640874160), (2, 320437080), (3, 213624720), (4, 160218540), (5, 128174832), (6, 106812360), (8, 80109270), (9, 71208240), (10, 64087416), (12, 53406180), (15, 42724944), (16, 40054635), (17, 37698480), (18, 35604120), (20, 32043708), (24, 26703090), (27, 23736080), (30, 21362472), (31, 20673360), (34, 18849240), (36, 17802060), (40, 16021854), (45, 14241648), (48, 13351545), (51, 12566160), (54, 11868040), (60, 10681236), (62, 10336680), (68, 9424620), (72, 8901030), (80, 8010927), (85, 7539696), (90, 7120824), (93, 6891120), (102, 6283080), (108, 5934020), (120, 5340618), (124, 5168340), (135, 4747216), (136, 4712310), (144, 4450515), (153, 4188720), (155, 4134672), (170, 3769848), (180, 3560412), (186, 3445560), (204, 3141540), (216, 2967010), (240, 2670309), (248, 2584170), (255, 2513232), (270, 2373608), (272, 2356155), (279, 2297040), (306, 2094360), (310, 2067336), (340, 1884924), (360, 1780206), (372, 1722780), (408, 1570770), (432, 1483505), (459, 1396240), (465, 1378224), (496, 1292085), (510, 1256616), (527, 1216080), (540, 1186804), (558, 1148520), (563, 1138320), (612, 1047180), (620, 1033668), (680, 942462), (720, 890103), (744, 861390), (765, 837744), (816, 785385), (837, 765680), (918, 698120), (930, 689112), (1020, 628308), (1054, 608040), (1080, 593402), (1116, 574260), (1126, 569160), (1224, 523590), (1240, 516834), (1360, 471231), (1395, 459408), (1488, 430695), (1530, 418872), (1581, 405360), (1674, 382840), (1689, 379440), (1836, 349060), (1860, 344556), (2040, 314154), (2108, 304020), (2160, 296701), (2232, 287130), (2252, 284580), (2295, 279248), (2448, 261795), (2480, 258417), (2635, 243216), (2790, 229704), (2815, 227664), (3060, 209436), (3162, 202680), (3348, 191420), (3378, 189720), (3672, 174530), (3720, 172278), (4080, 157077), (4185, 153136), (4216, 152010), (4464, 143565), (4504, 142290), (4590, 139624), (4743, 135120), (5067, 126480), (5270, 121608), (5580, 114852), (5630, 113832), (6120, 104718), (6324, 101340), (6696, 95710), (6756, 94860), (7344, 87265), (7440, 86139), (7905, 81072), (8370, 76568), (8432, 76005), (8445, 75888), (9008, 71145), (9180, 69812), (9486, 67560), (9571, 66960), (10134, 63240), (10540, 60804), (11160, 57426), (11260, 56916), (12240, 52359), (12648, 50670), (13392, 47855), (13512, 47430), (14229, 45040), (15201, 42160), (15810, 40536), (16740, 38284), (16890, 37944), (17453, 36720), (18360, 34906), (18972, 33780), (19142, 33480), (20268, 31620), (21080, 30402), (22320, 28713), (22520, 28458), (23715, 27024), (25296, 25335)]