78289215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 59812545

約数列:

[1, 3, 5, 15, 19, 53, 57, 71, 73, 95, 159, 213, 219, 265, 285, 355, 365, 795, 1007, 1065, 1095, 1349, 1387, 3021, 3763, 3869, 4047, 4161, 5035, 5183, 6745, 6935, 11289, 11607, 15105, 15549, 18815, 19345, 20235, 20805, 25915, 56445, 58035, 71497, 73511, 77745, 98477, 214491, 220533, 274699, 295431, 357485, 367555, 492385, 824097, 1072455, 1102665, 1373495, 1477155, 4120485, 5219281, 15657843, 26096405, 78289215]

約数ペア:

[(1, 78289215), (3, 26096405), (5, 15657843), (15, 5219281), (19, 4120485), (53, 1477155), (57, 1373495), (71, 1102665), (73, 1072455), (95, 824097), (159, 492385), (213, 367555), (219, 357485), (265, 295431), (285, 274699), (355, 220533), (365, 214491), (795, 98477), (1007, 77745), (1065, 73511), (1095, 71497), (1349, 58035), (1387, 56445), (3021, 25915), (3763, 20805), (3869, 20235), (4047, 19345), (4161, 18815), (5035, 15549), (5183, 15105), (6745, 11607), (6935, 11289)]