80817960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1777}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 243230400

約数和(自身を除く): 162412440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 379, 758, 1137, 1516, 1777, 1895, 2274, 3032, 3554, 3790, 4548, 5331, 5685, 7108, 7580, 8885, 9096, 10662, 11370, 14216, 15160, 17770, 21324, 22740, 26655, 35540, 42648, 45480, 53310, 71080, 106620, 213240, 673483, 1346966, 2020449, 2693932, 3367415, 4040898, 5387864, 6734830, 8081796, 10102245, 13469660, 16163592, 20204490, 26939320, 40408980, 80817960]

約数ペア:

[(1, 80817960), (2, 40408980), (3, 26939320), (4, 20204490), (5, 16163592), (6, 13469660), (8, 10102245), (10, 8081796), (12, 6734830), (15, 5387864), (20, 4040898), (24, 3367415), (30, 2693932), (40, 2020449), (60, 1346966), (120, 673483), (379, 213240), (758, 106620), (1137, 71080), (1516, 53310), (1777, 45480), (1895, 42648), (2274, 35540), (3032, 26655), (3554, 22740), (3790, 21324), (4548, 17770), (5331, 15160), (5685, 14216), (7108, 11370), (7580, 10662), (8885, 9096)]