1215879990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{7853}}^1$

素因数の和:8273

約数の個数: 64

約数和(自身を含む): 3150899136

約数和(自身を除く): 1935019146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 397, 794, 1191, 1985, 2382, 3970, 5161, 5955, 7853, 10322, 11910, 15483, 15706, 23559, 25805, 30966, 39265, 47118, 51610, 77415, 78530, 102089, 117795, 154830, 204178, 235590, 306267, 510445, 612534, 1020890, 1531335, 3062670, 3117641, 6235282, 9352923, 15588205, 18705846, 31176410, 40529333, 46764615, 81058666, 93529230, 121587999, 202646665, 243175998, 405293330, 607939995, 1215879990]

約数ペア:

[(1, 1215879990), (2, 607939995), (3, 405293330), (5, 243175998), (6, 202646665), (10, 121587999), (13, 93529230), (15, 81058666), (26, 46764615), (30, 40529333), (39, 31176410), (65, 18705846), (78, 15588205), (130, 9352923), (195, 6235282), (390, 3117641), (397, 3062670), (794, 1531335), (1191, 1020890), (1985, 612534), (2382, 510445), (3970, 306267), (5161, 235590), (5955, 204178), (7853, 154830), (10322, 117795), (11910, 102089), (15483, 78530), (15706, 77415), (23559, 51610), (25805, 47118), (30966, 39265)]