128981970

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1399

約数の個数: 112

約数和(自身を含む): 375143832

約数和(自身を除く): 246161862

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 729, 810, 1053, 1170, 1215, 1361, 1458, 1755, 2106, 2430, 2722, 3159, 3510, 3645, 4083, 5265, 6318, 6805, 7290, 8166, 9477, 10530, 12249, 13610, 15795, 17693, 18954, 20415, 24498, 31590, 35386, 36747, 40830, 47385, 53079, 61245, 73494, 88465, 94770, 106158, 110241, 122490, 159237, 176930, 183735, 220482, 265395, 318474, 330723, 367470, 477711, 530790, 551205, 661446, 796185, 955422, 992169, 1102410, 1433133, 1592370, 1653615, 1984338, 2388555, 2866266, 3307230, 4299399, 4777110, 4960845, 7165665, 8598798, 9921690, 12898197, 14331330, 21496995, 25796394, 42993990, 64490985, 128981970]

約数ペア:

[(1, 128981970), (2, 64490985), (3, 42993990), (5, 25796394), (6, 21496995), (9, 14331330), (10, 12898197), (13, 9921690), (15, 8598798), (18, 7165665), (26, 4960845), (27, 4777110), (30, 4299399), (39, 3307230), (45, 2866266), (54, 2388555), (65, 1984338), (78, 1653615), (81, 1592370), (90, 1433133), (117, 1102410), (130, 992169), (135, 955422), (162, 796185), (195, 661446), (234, 551205), (243, 530790), (270, 477711), (351, 367470), (390, 330723), (405, 318474), (486, 265395), (585, 220482), (702, 183735), (729, 176930), (810, 159237), (1053, 122490), (1170, 110241), (1215, 106158), (1361, 94770), (1458, 88465), (1755, 73494), (2106, 61245), (2430, 53079), (2722, 47385), (3159, 40830), (3510, 36747), (3645, 35386), (4083, 31590), (5265, 24498), (6318, 20415), (6805, 18954), (7290, 17693), (8166, 15795), (9477, 13610), (10530, 12249)]