12978450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 72

約数和(自身を含む): 35283456

約数和(自身を除く): 22305006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 151, 191, 225, 302, 382, 450, 453, 573, 755, 906, 955, 1146, 1359, 1510, 1719, 1910, 2265, 2718, 2865, 3438, 3775, 4530, 4775, 5730, 6795, 7550, 8595, 9550, 11325, 13590, 14325, 17190, 22650, 28650, 28841, 33975, 42975, 57682, 67950, 85950, 86523, 144205, 173046, 259569, 288410, 432615, 519138, 721025, 865230, 1297845, 1442050, 2163075, 2595690, 4326150, 6489225, 12978450]

約数ペア:

[(1, 12978450), (2, 6489225), (3, 4326150), (5, 2595690), (6, 2163075), (9, 1442050), (10, 1297845), (15, 865230), (18, 721025), (25, 519138), (30, 432615), (45, 288410), (50, 259569), (75, 173046), (90, 144205), (150, 86523), (151, 85950), (191, 67950), (225, 57682), (302, 42975), (382, 33975), (450, 28841), (453, 28650), (573, 22650), (755, 17190), (906, 14325), (955, 13590), (1146, 11325), (1359, 9550), (1510, 8595), (1719, 7550), (1910, 6795), (2265, 5730), (2718, 4775), (2865, 4530), (3438, 3775)]