42642540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 130017888

約数和(自身を除く): 87375348

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, 983, 1205, 1446, 1966, 2169, 2410, 2892, 2949, 3615, 3932, 4338, 4820, 4915, 5898, 7230, 8676, 8847, 9830, 10845, 11796, 14460, 14745, 17694, 19660, 21690, 29490, 35388, 43380, 44235, 58980, 88470, 176940, 236903, 473806, 710709, 947612, 1184515, 1421418, 2132127, 2369030, 2842836, 3553545, 4264254, 4738060, 7107090, 8528508, 10660635, 14214180, 21321270, 42642540]

約数ペア:

[(1, 42642540), (2, 21321270), (3, 14214180), (4, 10660635), (5, 8528508), (6, 7107090), (9, 4738060), (10, 4264254), (12, 3553545), (15, 2842836), (18, 2369030), (20, 2132127), (30, 1421418), (36, 1184515), (45, 947612), (60, 710709), (90, 473806), (180, 236903), (241, 176940), (482, 88470), (723, 58980), (964, 44235), (983, 43380), (1205, 35388), (1446, 29490), (1966, 21690), (2169, 19660), (2410, 17694), (2892, 14745), (2949, 14460), (3615, 11796), (3932, 10845), (4338, 9830), (4820, 8847), (4915, 8676), (5898, 7230)]