1720686960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:840

約数の個数: 240

約数和(自身を含む): 6153597216

約数和(自身を除く): 4432910256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 257, 272, 306, 340, 360, 408, 510, 514, 547, 612, 680, 720, 765, 771, 816, 1020, 1028, 1094, 1224, 1285, 1360, 1530, 1542, 1641, 2040, 2056, 2188, 2313, 2448, 2570, 2735, 3060, 3084, 3282, 3855, 4080, 4112, 4369, 4376, 4626, 4923, 5140, 5470, 6120, 6168, 6564, 7710, 8205, 8738, 8752, 9252, 9299, 9846, 10280, 10940, 11565, 12240, 12336, 13107, 13128, 15420, 16410, 17476, 18504, 18598, 19692, 20560, 21845, 21880, 23130, 24615, 26214, 26256, 27897, 30840, 32820, 34952, 37008, 37196, 39321, 39384, 43690, 43760, 46260, 46495, 49230, 52428, 55794, 61680, 65535, 65640, 69904, 74392, 78642, 78768, 83691, 87380, 92520, 92990, 98460, 104856, 111588, 131070, 131280, 139485, 140579, 148784, 157284, 167382, 174760, 185040, 185980, 196605, 196920, 209712, 223176, 262140, 278970, 281158, 314568, 334764, 349520, 371960, 393210, 393840, 418455, 421737, 446352, 524280, 557940, 562316, 629136, 669528, 702895, 743920, 786420, 836910, 843474, 1048560, 1115880, 1124632, 1265211, 1339056, 1405790, 1572840, 1673820, 1686948, 2108685, 2231760, 2249264, 2389843, 2530422, 2811580, 3145680, 3347640, 3373896, 4217370, 4779686, 5060844, 5623160, 6326055, 6695280, 6747792, 7169529, 8434740, 9559372, 10121688, 11246320, 11949215, 12652110, 14339058, 16869480, 19118744, 20243376, 21508587, 23898430, 25304220, 28678116, 33738960, 35847645, 38237488, 43017174, 47796860, 50608440, 57356232, 71695290, 86034348, 95593720, 101216880, 107542935, 114712464, 143390580, 172068696, 191187440, 215085870, 286781160, 344137392, 430171740, 573562320, 860343480, 1720686960]

約数ペア:

[(1, 1720686960), (2, 860343480), (3, 573562320), (4, 430171740), (5, 344137392), (6, 286781160), (8, 215085870), (9, 191187440), (10, 172068696), (12, 143390580), (15, 114712464), (16, 107542935), (17, 101216880), (18, 95593720), (20, 86034348), (24, 71695290), (30, 57356232), (34, 50608440), (36, 47796860), (40, 43017174), (45, 38237488), (48, 35847645), (51, 33738960), (60, 28678116), (68, 25304220), (72, 23898430), (80, 21508587), (85, 20243376), (90, 19118744), (102, 16869480), (120, 14339058), (136, 12652110), (144, 11949215), (153, 11246320), (170, 10121688), (180, 9559372), (204, 8434740), (240, 7169529), (255, 6747792), (257, 6695280), (272, 6326055), (306, 5623160), (340, 5060844), (360, 4779686), (408, 4217370), (510, 3373896), (514, 3347640), (547, 3145680), (612, 2811580), (680, 2530422), (720, 2389843), (765, 2249264), (771, 2231760), (816, 2108685), (1020, 1686948), (1028, 1673820), (1094, 1572840), (1224, 1405790), (1285, 1339056), (1360, 1265211), (1530, 1124632), (1542, 1115880), (1641, 1048560), (2040, 843474), (2056, 836910), (2188, 786420), (2313, 743920), (2448, 702895), (2570, 669528), (2735, 629136), (3060, 562316), (3084, 557940), (3282, 524280), (3855, 446352), (4080, 421737), (4112, 418455), (4369, 393840), (4376, 393210), (4626, 371960), (4923, 349520), (5140, 334764), (5470, 314568), (6120, 281158), (6168, 278970), (6564, 262140), (7710, 223176), (8205, 209712), (8738, 196920), (8752, 196605), (9252, 185980), (9299, 185040), (9846, 174760), (10280, 167382), (10940, 157284), (11565, 148784), (12240, 140579), (12336, 139485), (13107, 131280), (13128, 131070), (15420, 111588), (16410, 104856), (17476, 98460), (18504, 92990), (18598, 92520), (19692, 87380), (20560, 83691), (21845, 78768), (21880, 78642), (23130, 74392), (24615, 69904), (26214, 65640), (26256, 65535), (27897, 61680), (30840, 55794), (32820, 52428), (34952, 49230), (37008, 46495), (37196, 46260), (39321, 43760), (39384, 43690)]