81214920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 128

約数和(自身を含む): 273168000

約数和(自身を除く): 191953080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 541, 556, 695, 834, 1080, 1082, 1112, 1251, 1390, 1623, 1668, 2085, 2164, 2502, 2705, 2780, 3246, 3336, 3753, 4170, 4328, 4869, 5004, 5410, 5560, 6255, 6492, 7506, 8115, 8340, 9738, 10008, 10820, 12510, 12984, 14607, 15012, 16230, 16680, 18765, 19476, 21640, 24345, 25020, 29214, 30024, 32460, 37530, 38952, 48690, 50040, 58428, 64920, 73035, 75060, 75199, 97380, 116856, 146070, 150120, 150398, 194760, 225597, 292140, 300796, 375995, 451194, 584280, 601592, 676791, 751990, 902388, 1127985, 1353582, 1503980, 1804776, 2030373, 2255970, 2707164, 3007960, 3383955, 4060746, 4511940, 5414328, 6767910, 8121492, 9023880, 10151865, 13535820, 16242984, 20303730, 27071640, 40607460, 81214920]

約数ペア:

[(1, 81214920), (2, 40607460), (3, 27071640), (4, 20303730), (5, 16242984), (6, 13535820), (8, 10151865), (9, 9023880), (10, 8121492), (12, 6767910), (15, 5414328), (18, 4511940), (20, 4060746), (24, 3383955), (27, 3007960), (30, 2707164), (36, 2255970), (40, 2030373), (45, 1804776), (54, 1503980), (60, 1353582), (72, 1127985), (90, 902388), (108, 751990), (120, 676791), (135, 601592), (139, 584280), (180, 451194), (216, 375995), (270, 300796), (278, 292140), (360, 225597), (417, 194760), (540, 150398), (541, 150120), (556, 146070), (695, 116856), (834, 97380), (1080, 75199), (1082, 75060), (1112, 73035), (1251, 64920), (1390, 58428), (1623, 50040), (1668, 48690), (2085, 38952), (2164, 37530), (2502, 32460), (2705, 30024), (2780, 29214), (3246, 25020), (3336, 24345), (3753, 21640), (4170, 19476), (4328, 18765), (4869, 16680), (5004, 16230), (5410, 15012), (5560, 14607), (6255, 12984), (6492, 12510), (7506, 10820), (8115, 10008), (8340, 9738)]