80727780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2633}}^1$

素因数の和:2725

約数の個数: 96

約数和(自身を含む): 261967104

約数和(自身を除く): 181239324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 2633, 3066, 4380, 5110, 5266, 6132, 7665, 7899, 10220, 10532, 13165, 15330, 15798, 18431, 26330, 30660, 31596, 36862, 39495, 52660, 55293, 73724, 78990, 92155, 110586, 157980, 184310, 192209, 221172, 276465, 368620, 384418, 552930, 576627, 768836, 961045, 1105860, 1153254, 1345463, 1922090, 2306508, 2690926, 2883135, 3844180, 4036389, 5381852, 5766270, 6727315, 8072778, 11532540, 13454630, 16145556, 20181945, 26909260, 40363890, 80727780]

約数ペア:

[(1, 80727780), (2, 40363890), (3, 26909260), (4, 20181945), (5, 16145556), (6, 13454630), (7, 11532540), (10, 8072778), (12, 6727315), (14, 5766270), (15, 5381852), (20, 4036389), (21, 3844180), (28, 2883135), (30, 2690926), (35, 2306508), (42, 1922090), (60, 1345463), (70, 1153254), (73, 1105860), (84, 961045), (105, 768836), (140, 576627), (146, 552930), (210, 384418), (219, 368620), (292, 276465), (365, 221172), (420, 192209), (438, 184310), (511, 157980), (730, 110586), (876, 92155), (1022, 78990), (1095, 73724), (1460, 55293), (1533, 52660), (2044, 39495), (2190, 36862), (2555, 31596), (2633, 30660), (3066, 26330), (4380, 18431), (5110, 15798), (5266, 15330), (6132, 13165), (7665, 10532), (7899, 10220)]