30701720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 86400000

約数和(自身を除く): 55698280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 199, 203, 232, 266, 280, 290, 380, 398, 406, 532, 551, 580, 665, 760, 796, 812, 995, 1015, 1064, 1102, 1160, 1330, 1393, 1592, 1624, 1990, 2030, 2204, 2660, 2755, 2786, 3781, 3857, 3980, 4060, 4408, 5320, 5510, 5572, 5771, 6965, 7562, 7714, 7960, 8120, 11020, 11144, 11542, 13930, 15124, 15428, 18905, 19285, 22040, 23084, 26467, 27860, 28855, 30248, 30856, 37810, 38570, 40397, 46168, 52934, 55720, 57710, 75620, 77140, 80794, 105868, 109649, 115420, 132335, 151240, 154280, 161588, 201985, 211736, 219298, 230840, 264670, 323176, 403970, 438596, 529340, 548245, 767543, 807940, 877192, 1058680, 1096490, 1535086, 1615880, 2192980, 3070172, 3837715, 4385960, 6140344, 7675430, 15350860, 30701720]

約数ペア:

[(1, 30701720), (2, 15350860), (4, 7675430), (5, 6140344), (7, 4385960), (8, 3837715), (10, 3070172), (14, 2192980), (19, 1615880), (20, 1535086), (28, 1096490), (29, 1058680), (35, 877192), (38, 807940), (40, 767543), (56, 548245), (58, 529340), (70, 438596), (76, 403970), (95, 323176), (116, 264670), (133, 230840), (140, 219298), (145, 211736), (152, 201985), (190, 161588), (199, 154280), (203, 151240), (232, 132335), (266, 115420), (280, 109649), (290, 105868), (380, 80794), (398, 77140), (406, 75620), (532, 57710), (551, 55720), (580, 52934), (665, 46168), (760, 40397), (796, 38570), (812, 37810), (995, 30856), (1015, 30248), (1064, 28855), (1102, 27860), (1160, 26467), (1330, 23084), (1393, 22040), (1592, 19285), (1624, 18905), (1990, 15428), (2030, 15124), (2204, 13930), (2660, 11542), (2755, 11144), (2786, 11020), (3781, 8120), (3857, 7960), (3980, 7714), (4060, 7562), (4408, 6965), (5320, 5771), (5510, 5572)]