915487040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 168

約数和(自身を含む): 2436464520

約数和(自身を除く): 1520977480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 229, 248, 260, 310, 320, 403, 416, 458, 496, 520, 620, 806, 832, 916, 961, 992, 1040, 1145, 1240, 1612, 1832, 1922, 1984, 2015, 2080, 2290, 2480, 2977, 3224, 3664, 3844, 4030, 4160, 4580, 4805, 4960, 5954, 6448, 7099, 7328, 7688, 8060, 9160, 9610, 9920, 11908, 12493, 12896, 14198, 14656, 14885, 15376, 16120, 18320, 19220, 23816, 24986, 25792, 28396, 29770, 30752, 32240, 35495, 36640, 38440, 47632, 49972, 56792, 59540, 61504, 62465, 64480, 70990, 73280, 76880, 92287, 95264, 99944, 113584, 119080, 124930, 128960, 141980, 153760, 184574, 190528, 199888, 220069, 227168, 238160, 249860, 283960, 307520, 369148, 399776, 440138, 454336, 461435, 476320, 499720, 567920, 738296, 799552, 880276, 922870, 952640, 999440, 1100345, 1135840, 1476592, 1760552, 1845740, 1998880, 2200690, 2271680, 2860897, 2953184, 3521104, 3691480, 3997760, 4401380, 5721794, 5906368, 7042208, 7382960, 8802760, 11443588, 14084416, 14304485, 14765920, 17605520, 22887176, 28608970, 29531840, 35211040, 45774352, 57217940, 70422080, 91548704, 114435880, 183097408, 228871760, 457743520, 915487040]

約数ペア:

[(1, 915487040), (2, 457743520), (4, 228871760), (5, 183097408), (8, 114435880), (10, 91548704), (13, 70422080), (16, 57217940), (20, 45774352), (26, 35211040), (31, 29531840), (32, 28608970), (40, 22887176), (52, 17605520), (62, 14765920), (64, 14304485), (65, 14084416), (80, 11443588), (104, 8802760), (124, 7382960), (130, 7042208), (155, 5906368), (160, 5721794), (208, 4401380), (229, 3997760), (248, 3691480), (260, 3521104), (310, 2953184), (320, 2860897), (403, 2271680), (416, 2200690), (458, 1998880), (496, 1845740), (520, 1760552), (620, 1476592), (806, 1135840), (832, 1100345), (916, 999440), (961, 952640), (992, 922870), (1040, 880276), (1145, 799552), (1240, 738296), (1612, 567920), (1832, 499720), (1922, 476320), (1984, 461435), (2015, 454336), (2080, 440138), (2290, 399776), (2480, 369148), (2977, 307520), (3224, 283960), (3664, 249860), (3844, 238160), (4030, 227168), (4160, 220069), (4580, 199888), (4805, 190528), (4960, 184574), (5954, 153760), (6448, 141980), (7099, 128960), (7328, 124930), (7688, 119080), (8060, 113584), (9160, 99944), (9610, 95264), (9920, 92287), (11908, 76880), (12493, 73280), (12896, 70990), (14198, 64480), (14656, 62465), (14885, 61504), (15376, 59540), (16120, 56792), (18320, 49972), (19220, 47632), (23816, 38440), (24986, 36640), (25792, 35495), (28396, 32240), (29770, 30752)]