640506960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17443}}^1$

素因数の和:17482

約数の個数: 160

約数和(自身を含む): 2336100480

約数和(自身を除く): 1695593520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 7344, 9180, 12240, 17443, 18360, 34886, 36720, 52329, 69772, 87215, 104658, 139544, 156987, 174430, 209316, 261645, 279088, 296531, 313974, 348860, 418632, 470961, 523290, 593062, 627948, 697720, 784935, 837264, 889593, 941922, 1046580, 1186124, 1255896, 1395440, 1482655, 1569870, 1779186, 1883844, 2093160, 2354805, 2372248, 2511792, 2668779, 2965310, 3139740, 3558372, 3767688, 4186320, 4447965, 4709610, 4744496, 5337558, 5930620, 6279480, 7116744, 7535376, 8006337, 8895930, 9419220, 10675116, 11861240, 12558960, 13343895, 14233488, 16012674, 17791860, 18838440, 21350232, 23722480, 26687790, 32025348, 35583720, 37676880, 40031685, 42700464, 53375580, 64050696, 71167440, 80063370, 106751160, 128101392, 160126740, 213502320, 320253480, 640506960]

約数ペア:

[(1, 640506960), (2, 320253480), (3, 213502320), (4, 160126740), (5, 128101392), (6, 106751160), (8, 80063370), (9, 71167440), (10, 64050696), (12, 53375580), (15, 42700464), (16, 40031685), (17, 37676880), (18, 35583720), (20, 32025348), (24, 26687790), (27, 23722480), (30, 21350232), (34, 18838440), (36, 17791860), (40, 16012674), (45, 14233488), (48, 13343895), (51, 12558960), (54, 11861240), (60, 10675116), (68, 9419220), (72, 8895930), (80, 8006337), (85, 7535376), (90, 7116744), (102, 6279480), (108, 5930620), (120, 5337558), (135, 4744496), (136, 4709610), (144, 4447965), (153, 4186320), (170, 3767688), (180, 3558372), (204, 3139740), (216, 2965310), (240, 2668779), (255, 2511792), (270, 2372248), (272, 2354805), (306, 2093160), (340, 1883844), (360, 1779186), (408, 1569870), (432, 1482655), (459, 1395440), (510, 1255896), (540, 1186124), (612, 1046580), (680, 941922), (720, 889593), (765, 837264), (816, 784935), (918, 697720), (1020, 627948), (1080, 593062), (1224, 523290), (1360, 470961), (1530, 418632), (1836, 348860), (2040, 313974), (2160, 296531), (2295, 279088), (2448, 261645), (3060, 209316), (3672, 174430), (4080, 156987), (4590, 139544), (6120, 104658), (7344, 87215), (9180, 69772), (12240, 52329), (17443, 36720), (18360, 34886)]