77997945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 139806720

約数和(自身を除く): 61808775

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 73, 95, 115, 163, 219, 285, 345, 365, 437, 489, 815, 1095, 1311, 1387, 1679, 2185, 2445, 3097, 3749, 4161, 5037, 6555, 6935, 8395, 9291, 11247, 11899, 15485, 18745, 20805, 25185, 31901, 35697, 46455, 56235, 59495, 71231, 95703, 159505, 178485, 213693, 226081, 273677, 356155, 478515, 678243, 821031, 1068465, 1130405, 1368385, 3391215, 4105155, 5199863, 15599589, 25999315, 77997945]

約数ペア:

[(1, 77997945), (3, 25999315), (5, 15599589), (15, 5199863), (19, 4105155), (23, 3391215), (57, 1368385), (69, 1130405), (73, 1068465), (95, 821031), (115, 678243), (163, 478515), (219, 356155), (285, 273677), (345, 226081), (365, 213693), (437, 178485), (489, 159505), (815, 95703), (1095, 71231), (1311, 59495), (1387, 56235), (1679, 46455), (2185, 35697), (2445, 31901), (3097, 25185), (3749, 20805), (4161, 18745), (5037, 15485), (6555, 11899), (6935, 11247), (8395, 9291)]