210870180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4861}}^1$

素因数の和:5117

約数の個数: 72

約数和(自身を含む): 642425784

約数和(自身を除く): 431555604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 3615, 4338, 4820, 4861, 7230, 8676, 9722, 10845, 14460, 14583, 19444, 21690, 24305, 29166, 43380, 43749, 48610, 58332, 72915, 87498, 97220, 145830, 174996, 218745, 291660, 437490, 874980, 1171501, 2343002, 3514503, 4686004, 5857505, 7029006, 10543509, 11715010, 14058012, 17572515, 21087018, 23430020, 35145030, 42174036, 52717545, 70290060, 105435090, 210870180]

約数ペア:

[(1, 210870180), (2, 105435090), (3, 70290060), (4, 52717545), (5, 42174036), (6, 35145030), (9, 23430020), (10, 21087018), (12, 17572515), (15, 14058012), (18, 11715010), (20, 10543509), (30, 7029006), (36, 5857505), (45, 4686004), (60, 3514503), (90, 2343002), (180, 1171501), (241, 874980), (482, 437490), (723, 291660), (964, 218745), (1205, 174996), (1446, 145830), (2169, 97220), (2410, 87498), (2892, 72915), (3615, 58332), (4338, 48610), (4820, 43749), (4861, 43380), (7230, 29166), (8676, 24305), (9722, 21690), (10845, 19444), (14460, 14583)]