638689320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 256

約数和(自身を含む): 2309472000

約数和(自身を除く): 1670782680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 43, 45, 51, 54, 60, 68, 72, 85, 86, 90, 102, 108, 120, 129, 135, 136, 153, 170, 172, 180, 204, 215, 216, 255, 258, 270, 306, 340, 344, 360, 387, 408, 430, 459, 510, 516, 540, 612, 645, 680, 731, 765, 774, 809, 860, 918, 1020, 1032, 1080, 1161, 1224, 1290, 1462, 1530, 1548, 1618, 1720, 1836, 1935, 2040, 2193, 2295, 2322, 2427, 2580, 2924, 3060, 3096, 3236, 3655, 3672, 3870, 4045, 4386, 4590, 4644, 4854, 5160, 5805, 5848, 6120, 6472, 6579, 7281, 7310, 7740, 8090, 8772, 9180, 9288, 9708, 10965, 11610, 12135, 13158, 13753, 14562, 14620, 15480, 16180, 17544, 18360, 19416, 19737, 21843, 21930, 23220, 24270, 26316, 27506, 29124, 29240, 32360, 32895, 34787, 36405, 39474, 41259, 43686, 43860, 46440, 48540, 52632, 55012, 58248, 65790, 68765, 69574, 72810, 78948, 82518, 87372, 87720, 97080, 98685, 104361, 109215, 110024, 123777, 131580, 137530, 139148, 145620, 157896, 165036, 173935, 174744, 197370, 206295, 208722, 218430, 247554, 263160, 275060, 278296, 291240, 313083, 330072, 347870, 371331, 394740, 412590, 417444, 436860, 495108, 521805, 550120, 591379, 618885, 626166, 695740, 742662, 789480, 825180, 834888, 873720, 939249, 990216, 1043610, 1182758, 1237770, 1252332, 1391480, 1485324, 1565415, 1650360, 1774137, 1856655, 1878498, 2087220, 2365516, 2475540, 2504664, 2956895, 2970648, 3130830, 3548274, 3713310, 3756996, 4174440, 4696245, 4731032, 4951080, 5322411, 5913790, 6261660, 7096548, 7426620, 7513992, 8870685, 9392490, 10644822, 11827580, 12523320, 14193096, 14853240, 15967233, 17741370, 18784980, 21289644, 23655160, 26612055, 31934466, 35482740, 37569960, 42579288, 53224110, 63868932, 70965480, 79836165, 106448220, 127737864, 159672330, 212896440, 319344660, 638689320]

約数ペア:

[(1, 638689320), (2, 319344660), (3, 212896440), (4, 159672330), (5, 127737864), (6, 106448220), (8, 79836165), (9, 70965480), (10, 63868932), (12, 53224110), (15, 42579288), (17, 37569960), (18, 35482740), (20, 31934466), (24, 26612055), (27, 23655160), (30, 21289644), (34, 18784980), (36, 17741370), (40, 15967233), (43, 14853240), (45, 14193096), (51, 12523320), (54, 11827580), (60, 10644822), (68, 9392490), (72, 8870685), (85, 7513992), (86, 7426620), (90, 7096548), (102, 6261660), (108, 5913790), (120, 5322411), (129, 4951080), (135, 4731032), (136, 4696245), (153, 4174440), (170, 3756996), (172, 3713310), (180, 3548274), (204, 3130830), (215, 2970648), (216, 2956895), (255, 2504664), (258, 2475540), (270, 2365516), (306, 2087220), (340, 1878498), (344, 1856655), (360, 1774137), (387, 1650360), (408, 1565415), (430, 1485324), (459, 1391480), (510, 1252332), (516, 1237770), (540, 1182758), (612, 1043610), (645, 990216), (680, 939249), (731, 873720), (765, 834888), (774, 825180), (809, 789480), (860, 742662), (918, 695740), (1020, 626166), (1032, 618885), (1080, 591379), (1161, 550120), (1224, 521805), (1290, 495108), (1462, 436860), (1530, 417444), (1548, 412590), (1618, 394740), (1720, 371331), (1836, 347870), (1935, 330072), (2040, 313083), (2193, 291240), (2295, 278296), (2322, 275060), (2427, 263160), (2580, 247554), (2924, 218430), (3060, 208722), (3096, 206295), (3236, 197370), (3655, 174744), (3672, 173935), (3870, 165036), (4045, 157896), (4386, 145620), (4590, 139148), (4644, 137530), (4854, 131580), (5160, 123777), (5805, 110024), (5848, 109215), (6120, 104361), (6472, 98685), (6579, 97080), (7281, 87720), (7310, 87372), (7740, 82518), (8090, 78948), (8772, 72810), (9180, 69574), (9288, 68765), (9708, 65790), (10965, 58248), (11610, 55012), (12135, 52632), (13158, 48540), (13753, 46440), (14562, 43860), (14620, 43686), (15480, 41259), (16180, 39474), (17544, 36405), (18360, 34787), (19416, 32895), (19737, 32360), (21843, 29240), (21930, 29124), (23220, 27506), (24270, 26316)]