72147140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4549}}^1$

素因数の和:4632

約数の個数: 48

約数和(自身を含む): 165874800

約数和(自身を除く): 93727660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4549, 7930, 9098, 15860, 18196, 22745, 45490, 59137, 90980, 118274, 236548, 277489, 295685, 554978, 591370, 1109956, 1182740, 1387445, 2774890, 3607357, 5549780, 7214714, 14429428, 18036785, 36073570, 72147140]

約数ペア:

[(1, 72147140), (2, 36073570), (4, 18036785), (5, 14429428), (10, 7214714), (13, 5549780), (20, 3607357), (26, 2774890), (52, 1387445), (61, 1182740), (65, 1109956), (122, 591370), (130, 554978), (244, 295685), (260, 277489), (305, 236548), (610, 118274), (793, 90980), (1220, 59137), (1586, 45490), (3172, 22745), (3965, 18196), (4549, 15860), (7930, 9098)]