28289670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 73820160

約数和(自身を除く): 45530490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1178, 1601, 1767, 2945, 3202, 3534, 4803, 5890, 8005, 8835, 9606, 16010, 17670, 24015, 30419, 48030, 49631, 60838, 91257, 99262, 148893, 152095, 182514, 248155, 297786, 304190, 456285, 496310, 744465, 912570, 942989, 1488930, 1885978, 2828967, 4714945, 5657934, 9429890, 14144835, 28289670]

約数ペア:

[(1, 28289670), (2, 14144835), (3, 9429890), (5, 5657934), (6, 4714945), (10, 2828967), (15, 1885978), (19, 1488930), (30, 942989), (31, 912570), (38, 744465), (57, 496310), (62, 456285), (93, 304190), (95, 297786), (114, 248155), (155, 182514), (186, 152095), (190, 148893), (285, 99262), (310, 91257), (465, 60838), (570, 49631), (589, 48030), (930, 30419), (1178, 24015), (1601, 17670), (1767, 16010), (2945, 9606), (3202, 8835), (3534, 8005), (4803, 5890)]