87609990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9767}}^1$

素因数の和:9813

約数の個数: 64

約数和(自身を含む): 236307456

約数和(自身を除く): 148697466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 9767, 19534, 29301, 48835, 58602, 97670, 126971, 146505, 224641, 253942, 293010, 380913, 449282, 634855, 673923, 761826, 1123205, 1269710, 1347846, 1904565, 2246410, 2920333, 3369615, 3809130, 5840666, 6739230, 8760999, 14601665, 17521998, 29203330, 43804995, 87609990]

約数ペア:

[(1, 87609990), (2, 43804995), (3, 29203330), (5, 17521998), (6, 14601665), (10, 8760999), (13, 6739230), (15, 5840666), (23, 3809130), (26, 3369615), (30, 2920333), (39, 2246410), (46, 1904565), (65, 1347846), (69, 1269710), (78, 1123205), (115, 761826), (130, 673923), (138, 634855), (195, 449282), (230, 380913), (299, 293010), (345, 253942), (390, 224641), (598, 146505), (690, 126971), (897, 97670), (1495, 58602), (1794, 48835), (2990, 29301), (4485, 19534), (8970, 9767)]