1157780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 2697744

約数和(自身を除く): 1539964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 73, 122, 130, 146, 244, 260, 292, 305, 365, 610, 730, 793, 949, 1220, 1460, 1586, 1898, 3172, 3796, 3965, 4453, 4745, 7930, 8906, 9490, 15860, 17812, 18980, 22265, 44530, 57889, 89060, 115778, 231556, 289445, 578890, 1157780]

約数ペア:

[(1, 1157780), (2, 578890), (4, 289445), (5, 231556), (10, 115778), (13, 89060), (20, 57889), (26, 44530), (52, 22265), (61, 18980), (65, 17812), (73, 15860), (122, 9490), (130, 8906), (146, 7930), (244, 4745), (260, 4453), (292, 3965), (305, 3796), (365, 3172), (610, 1898), (730, 1586), (793, 1460), (949, 1220)]