61211640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{72871}}^1$

素因数の和:72892

約数の個数: 64

約数和(自身を含む): 209871360

約数和(自身を除く): 148659720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 72871, 145742, 218613, 291484, 364355, 437226, 510097, 582968, 728710, 874452, 1020194, 1093065, 1457420, 1530291, 1748904, 2040388, 2186130, 2550485, 2914840, 3060582, 4080776, 4372260, 5100970, 6121164, 7651455, 8744520, 10201940, 12242328, 15302910, 20403880, 30605820, 61211640]

約数ペア:

[(1, 61211640), (2, 30605820), (3, 20403880), (4, 15302910), (5, 12242328), (6, 10201940), (7, 8744520), (8, 7651455), (10, 6121164), (12, 5100970), (14, 4372260), (15, 4080776), (20, 3060582), (21, 2914840), (24, 2550485), (28, 2186130), (30, 2040388), (35, 1748904), (40, 1530291), (42, 1457420), (56, 1093065), (60, 1020194), (70, 874452), (84, 728710), (105, 582968), (120, 510097), (140, 437226), (168, 364355), (210, 291484), (280, 218613), (420, 145742), (840, 72871)]