67517180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 145424160

約数和(自身を除く): 77906980

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 457, 830, 890, 914, 1660, 1780, 1828, 2285, 4570, 7387, 9140, 14774, 29548, 36935, 37931, 40673, 73870, 75862, 81346, 147740, 151724, 162692, 189655, 203365, 379310, 406730, 758620, 813460, 3375859, 6751718, 13503436, 16879295, 33758590, 67517180]

約数ペア:

[(1, 67517180), (2, 33758590), (4, 16879295), (5, 13503436), (10, 6751718), (20, 3375859), (83, 813460), (89, 758620), (166, 406730), (178, 379310), (332, 203365), (356, 189655), (415, 162692), (445, 151724), (457, 147740), (830, 81346), (890, 75862), (914, 73870), (1660, 40673), (1780, 37931), (1828, 36935), (2285, 29548), (4570, 14774), (7387, 9140)]