128587680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6869}}^1$

素因数の和:6903

約数の個数: 144

約数和(自身を含む): 472628520

約数和(自身を除く): 344040840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 6869, 9360, 13738, 18720, 20607, 27476, 34345, 41214, 54952, 61821, 68690, 82428, 89297, 103035, 109904, 123642, 137380, 164856, 178594, 206070, 219808, 247284, 267891, 274760, 309105, 329712, 357188, 412140, 446485, 494568, 535782, 549520, 618210, 659424, 714376, 803673, 824280, 892970, 989136, 1071564, 1099040, 1236420, 1339455, 1428752, 1607346, 1648560, 1785940, 1978272, 2143128, 2472840, 2678910, 2857504, 3214692, 3297120, 3571880, 4018365, 4286256, 4945680, 5357820, 6429384, 7143760, 8036730, 8572512, 9891360, 10715640, 12858768, 14287520, 16073460, 21431280, 25717536, 32146920, 42862560, 64293840, 128587680]

約数ペア:

[(1, 128587680), (2, 64293840), (3, 42862560), (4, 32146920), (5, 25717536), (6, 21431280), (8, 16073460), (9, 14287520), (10, 12858768), (12, 10715640), (13, 9891360), (15, 8572512), (16, 8036730), (18, 7143760), (20, 6429384), (24, 5357820), (26, 4945680), (30, 4286256), (32, 4018365), (36, 3571880), (39, 3297120), (40, 3214692), (45, 2857504), (48, 2678910), (52, 2472840), (60, 2143128), (65, 1978272), (72, 1785940), (78, 1648560), (80, 1607346), (90, 1428752), (96, 1339455), (104, 1236420), (117, 1099040), (120, 1071564), (130, 989136), (144, 892970), (156, 824280), (160, 803673), (180, 714376), (195, 659424), (208, 618210), (234, 549520), (240, 535782), (260, 494568), (288, 446485), (312, 412140), (360, 357188), (390, 329712), (416, 309105), (468, 274760), (480, 267891), (520, 247284), (585, 219808), (624, 206070), (720, 178594), (780, 164856), (936, 137380), (1040, 123642), (1170, 109904), (1248, 103035), (1440, 89297), (1560, 82428), (1872, 68690), (2080, 61821), (2340, 54952), (3120, 41214), (3744, 34345), (4680, 27476), (6240, 20607), (6869, 18720), (9360, 13738)]