85987980

素因数分解:

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

素因数の和:1398

約数の個数: 144

約数和(自身を含む): 291511584

約数和(自身を除く): 205523604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1361, 1404, 1620, 1755, 2106, 2340, 2430, 2722, 3159, 3510, 4083, 4212, 4860, 5265, 5444, 6318, 6805, 7020, 8166, 10530, 12249, 12636, 13610, 15795, 16332, 17693, 20415, 21060, 24498, 27220, 31590, 35386, 36747, 40830, 48996, 53079, 61245, 63180, 70772, 73494, 81660, 88465, 106158, 110241, 122490, 146988, 159237, 176930, 183735, 212316, 220482, 244980, 265395, 318474, 330723, 353860, 367470, 440964, 477711, 530790, 551205, 636948, 661446, 734940, 796185, 955422, 1061580, 1102410, 1322892, 1433133, 1592370, 1653615, 1910844, 2204820, 2388555, 2866266, 3184740, 3307230, 4299399, 4777110, 5732532, 6614460, 7165665, 8598798, 9554220, 14331330, 17197596, 21496995, 28662660, 42993990, 85987980]

約数ペア:

[(1, 85987980), (2, 42993990), (3, 28662660), (4, 21496995), (5, 17197596), (6, 14331330), (9, 9554220), (10, 8598798), (12, 7165665), (13, 6614460), (15, 5732532), (18, 4777110), (20, 4299399), (26, 3307230), (27, 3184740), (30, 2866266), (36, 2388555), (39, 2204820), (45, 1910844), (52, 1653615), (54, 1592370), (60, 1433133), (65, 1322892), (78, 1102410), (81, 1061580), (90, 955422), (108, 796185), (117, 734940), (130, 661446), (135, 636948), (156, 551205), (162, 530790), (180, 477711), (195, 440964), (234, 367470), (243, 353860), (260, 330723), (270, 318474), (324, 265395), (351, 244980), (390, 220482), (405, 212316), (468, 183735), (486, 176930), (540, 159237), (585, 146988), (702, 122490), (780, 110241), (810, 106158), (972, 88465), (1053, 81660), (1170, 73494), (1215, 70772), (1361, 63180), (1404, 61245), (1620, 53079), (1755, 48996), (2106, 40830), (2340, 36747), (2430, 35386), (2722, 31590), (3159, 27220), (3510, 24498), (4083, 21060), (4212, 20415), (4860, 17693), (5265, 16332), (5444, 15795), (6318, 13610), (6805, 12636), (7020, 12249), (8166, 10530)]