320438475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6617

約数の個数: 72

約数和(自身を含む): 677194752

約数和(自身を除く): 356756277

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 651, 775, 1085, 1395, 1575, 1953, 2325, 3255, 5425, 6563, 6975, 9765, 16275, 19689, 32815, 45941, 48825, 59067, 98445, 137823, 164075, 203453, 229705, 295335, 413469, 492225, 610359, 689115, 1017265, 1148525, 1424171, 1476675, 1831077, 2067345, 3051795, 3445575, 4272513, 5086325, 7120855, 9155385, 10336725, 12817539, 15258975, 21362565, 35604275, 45776925, 64087695, 106812825, 320438475]

約数ペア:

[(1, 320438475), (3, 106812825), (5, 64087695), (7, 45776925), (9, 35604275), (15, 21362565), (21, 15258975), (25, 12817539), (31, 10336725), (35, 9155385), (45, 7120855), (63, 5086325), (75, 4272513), (93, 3445575), (105, 3051795), (155, 2067345), (175, 1831077), (217, 1476675), (225, 1424171), (279, 1148525), (315, 1017265), (465, 689115), (525, 610359), (651, 492225), (775, 413469), (1085, 295335), (1395, 229705), (1575, 203453), (1953, 164075), (2325, 137823), (3255, 98445), (5425, 59067), (6563, 48825), (6975, 45941), (9765, 32815), (16275, 19689)]