28545420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 83865600

約数和(自身を除く): 55320180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 103, 124, 149, 155, 186, 206, 298, 309, 310, 372, 412, 447, 465, 515, 596, 618, 620, 745, 894, 930, 1030, 1236, 1490, 1545, 1788, 1860, 2060, 2235, 2980, 3090, 3193, 4470, 4619, 6180, 6386, 8940, 9238, 9579, 12772, 13857, 15347, 15965, 18476, 19158, 23095, 27714, 30694, 31930, 38316, 46041, 46190, 47895, 55428, 61388, 63860, 69285, 76735, 92082, 92380, 95790, 138570, 153470, 184164, 191580, 230205, 277140, 306940, 460410, 475757, 920820, 951514, 1427271, 1903028, 2378785, 2854542, 4757570, 5709084, 7136355, 9515140, 14272710, 28545420]

約数ペア:

[(1, 28545420), (2, 14272710), (3, 9515140), (4, 7136355), (5, 5709084), (6, 4757570), (10, 2854542), (12, 2378785), (15, 1903028), (20, 1427271), (30, 951514), (31, 920820), (60, 475757), (62, 460410), (93, 306940), (103, 277140), (124, 230205), (149, 191580), (155, 184164), (186, 153470), (206, 138570), (298, 95790), (309, 92380), (310, 92082), (372, 76735), (412, 69285), (447, 63860), (465, 61388), (515, 55428), (596, 47895), (618, 46190), (620, 46041), (745, 38316), (894, 31930), (930, 30694), (1030, 27714), (1236, 23095), (1490, 19158), (1545, 18476), (1788, 15965), (1860, 15347), (2060, 13857), (2235, 12772), (2980, 9579), (3090, 9238), (3193, 8940), (4470, 6386), (4619, 6180)]