199739640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2549}}^1$

素因数の和:3216

約数の個数: 64

約数和(自身を含む): 600372000

約数和(自身を除く): 400632360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 1306, 1959, 2549, 2612, 3265, 3918, 5098, 5224, 6530, 7647, 7836, 9795, 10196, 12745, 13060, 15294, 15672, 19590, 20392, 25490, 26120, 30588, 38235, 39180, 50980, 61176, 76470, 78360, 101960, 152940, 305880, 1664497, 3328994, 4993491, 6657988, 8322485, 9986982, 13315976, 16644970, 19973964, 24967455, 33289940, 39947928, 49934910, 66579880, 99869820, 199739640]

約数ペア:

[(1, 199739640), (2, 99869820), (3, 66579880), (4, 49934910), (5, 39947928), (6, 33289940), (8, 24967455), (10, 19973964), (12, 16644970), (15, 13315976), (20, 9986982), (24, 8322485), (30, 6657988), (40, 4993491), (60, 3328994), (120, 1664497), (653, 305880), (1306, 152940), (1959, 101960), (2549, 78360), (2612, 76470), (3265, 61176), (3918, 50980), (5098, 39180), (5224, 38235), (6530, 30588), (7647, 26120), (7836, 25490), (9795, 20392), (10196, 19590), (12745, 15672), (13060, 15294)]