393776880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7561}}^1$

素因数の和:7615

約数の個数: 160

約数和(自身を含む): 1440288768

約数和(自身を除く): 1046511888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 7561, 8680, 10416, 13020, 15122, 17360, 22683, 26040, 30244, 37805, 45366, 52080, 52927, 60488, 75610, 90732, 105854, 113415, 120976, 151220, 158781, 181464, 211708, 226830, 234391, 264635, 302440, 317562, 362928, 423416, 453660, 468782, 529270, 604880, 635124, 703173, 793905, 846832, 907320, 937564, 1058540, 1171955, 1270248, 1406346, 1587810, 1640737, 1814640, 1875128, 2117080, 2343910, 2540496, 2812692, 3175620, 3281474, 3515865, 3750256, 4234160, 4687820, 4922211, 5625384, 6351240, 6562948, 7031730, 8203685, 9375640, 9844422, 11250768, 12702480, 13125896, 14063460, 16407370, 18751280, 19688844, 24611055, 26251792, 28126920, 32814740, 39377688, 49222110, 56253840, 65629480, 78755376, 98444220, 131258960, 196888440, 393776880]

約数ペア:

[(1, 393776880), (2, 196888440), (3, 131258960), (4, 98444220), (5, 78755376), (6, 65629480), (7, 56253840), (8, 49222110), (10, 39377688), (12, 32814740), (14, 28126920), (15, 26251792), (16, 24611055), (20, 19688844), (21, 18751280), (24, 16407370), (28, 14063460), (30, 13125896), (31, 12702480), (35, 11250768), (40, 9844422), (42, 9375640), (48, 8203685), (56, 7031730), (60, 6562948), (62, 6351240), (70, 5625384), (80, 4922211), (84, 4687820), (93, 4234160), (105, 3750256), (112, 3515865), (120, 3281474), (124, 3175620), (140, 2812692), (155, 2540496), (168, 2343910), (186, 2117080), (210, 1875128), (217, 1814640), (240, 1640737), (248, 1587810), (280, 1406346), (310, 1270248), (336, 1171955), (372, 1058540), (420, 937564), (434, 907320), (465, 846832), (496, 793905), (560, 703173), (620, 635124), (651, 604880), (744, 529270), (840, 468782), (868, 453660), (930, 423416), (1085, 362928), (1240, 317562), (1302, 302440), (1488, 264635), (1680, 234391), (1736, 226830), (1860, 211708), (2170, 181464), (2480, 158781), (2604, 151220), (3255, 120976), (3472, 113415), (3720, 105854), (4340, 90732), (5208, 75610), (6510, 60488), (7440, 52927), (7561, 52080), (8680, 45366), (10416, 37805), (13020, 30244), (15122, 26040), (17360, 22683)]