391976820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 240

約数和(自身を含む): 1336281408

約数和(自身を除く): 944304588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 43, 45, 51, 54, 60, 68, 81, 85, 86, 90, 102, 108, 129, 135, 153, 162, 170, 172, 180, 204, 215, 255, 258, 270, 306, 324, 331, 340, 387, 405, 430, 459, 510, 516, 540, 612, 645, 662, 731, 765, 774, 810, 860, 918, 993, 1020, 1161, 1290, 1324, 1377, 1462, 1530, 1548, 1620, 1655, 1836, 1935, 1986, 2193, 2295, 2322, 2580, 2754, 2924, 2979, 3060, 3310, 3483, 3655, 3870, 3972, 4386, 4590, 4644, 4965, 5508, 5627, 5805, 5958, 6579, 6620, 6885, 6966, 7310, 7740, 8772, 8937, 9180, 9930, 10965, 11254, 11610, 11916, 13158, 13770, 13932, 14233, 14620, 14895, 16881, 17415, 17874, 19737, 19860, 21930, 22508, 23220, 26316, 26811, 27540, 28135, 28466, 29790, 32895, 33762, 34830, 35748, 39474, 42699, 43860, 44685, 50643, 53622, 56270, 56932, 59211, 59580, 65790, 67524, 69660, 71165, 78948, 84405, 85398, 89370, 98685, 101286, 107244, 112540, 118422, 128097, 131580, 134055, 142330, 151929, 168810, 170796, 178740, 197370, 202572, 213495, 236844, 241961, 253215, 256194, 268110, 284660, 296055, 303858, 337620, 384291, 394740, 426990, 455787, 483922, 506430, 512388, 536220, 592110, 607716, 640485, 725883, 759645, 768582, 853980, 911574, 967844, 1012860, 1152873, 1184220, 1209805, 1280970, 1451766, 1519290, 1537164, 1823148, 1921455, 2177649, 2278935, 2305746, 2419610, 2561940, 2903532, 3038580, 3629415, 3842910, 4355298, 4557870, 4611492, 4839220, 5764365, 6532947, 7258830, 7685820, 8710596, 9115740, 10888245, 11528730, 13065894, 14517660, 19598841, 21776490, 23057460, 26131788, 32664735, 39197682, 43552980, 65329470, 78395364, 97994205, 130658940, 195988410, 391976820]

約数ペア:

[(1, 391976820), (2, 195988410), (3, 130658940), (4, 97994205), (5, 78395364), (6, 65329470), (9, 43552980), (10, 39197682), (12, 32664735), (15, 26131788), (17, 23057460), (18, 21776490), (20, 19598841), (27, 14517660), (30, 13065894), (34, 11528730), (36, 10888245), (43, 9115740), (45, 8710596), (51, 7685820), (54, 7258830), (60, 6532947), (68, 5764365), (81, 4839220), (85, 4611492), (86, 4557870), (90, 4355298), (102, 3842910), (108, 3629415), (129, 3038580), (135, 2903532), (153, 2561940), (162, 2419610), (170, 2305746), (172, 2278935), (180, 2177649), (204, 1921455), (215, 1823148), (255, 1537164), (258, 1519290), (270, 1451766), (306, 1280970), (324, 1209805), (331, 1184220), (340, 1152873), (387, 1012860), (405, 967844), (430, 911574), (459, 853980), (510, 768582), (516, 759645), (540, 725883), (612, 640485), (645, 607716), (662, 592110), (731, 536220), (765, 512388), (774, 506430), (810, 483922), (860, 455787), (918, 426990), (993, 394740), (1020, 384291), (1161, 337620), (1290, 303858), (1324, 296055), (1377, 284660), (1462, 268110), (1530, 256194), (1548, 253215), (1620, 241961), (1655, 236844), (1836, 213495), (1935, 202572), (1986, 197370), (2193, 178740), (2295, 170796), (2322, 168810), (2580, 151929), (2754, 142330), (2924, 134055), (2979, 131580), (3060, 128097), (3310, 118422), (3483, 112540), (3655, 107244), (3870, 101286), (3972, 98685), (4386, 89370), (4590, 85398), (4644, 84405), (4965, 78948), (5508, 71165), (5627, 69660), (5805, 67524), (5958, 65790), (6579, 59580), (6620, 59211), (6885, 56932), (6966, 56270), (7310, 53622), (7740, 50643), (8772, 44685), (8937, 43860), (9180, 42699), (9930, 39474), (10965, 35748), (11254, 34830), (11610, 33762), (11916, 32895), (13158, 29790), (13770, 28466), (13932, 28135), (14233, 27540), (14620, 26811), (14895, 26316), (16881, 23220), (17415, 22508), (17874, 21930), (19737, 19860)]