28547880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 90525600

約数和(自身を除く): 61977720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 570, 659, 722, 760, 1083, 1140, 1318, 1444, 1805, 1977, 2166, 2280, 2636, 2888, 3295, 3610, 3954, 4332, 5272, 5415, 6590, 7220, 7908, 8664, 9885, 10830, 12521, 13180, 14440, 15816, 19770, 21660, 25042, 26360, 37563, 39540, 43320, 50084, 62605, 75126, 79080, 100168, 125210, 150252, 187815, 237899, 250420, 300504, 375630, 475798, 500840, 713697, 751260, 951596, 1189495, 1427394, 1502520, 1903192, 2378990, 2854788, 3568485, 4757980, 5709576, 7136970, 9515960, 14273940, 28547880]

約数ペア:

[(1, 28547880), (2, 14273940), (3, 9515960), (4, 7136970), (5, 5709576), (6, 4757980), (8, 3568485), (10, 2854788), (12, 2378990), (15, 1903192), (19, 1502520), (20, 1427394), (24, 1189495), (30, 951596), (38, 751260), (40, 713697), (57, 500840), (60, 475798), (76, 375630), (95, 300504), (114, 250420), (120, 237899), (152, 187815), (190, 150252), (228, 125210), (285, 100168), (361, 79080), (380, 75126), (456, 62605), (570, 50084), (659, 43320), (722, 39540), (760, 37563), (1083, 26360), (1140, 25042), (1318, 21660), (1444, 19770), (1805, 15816), (1977, 14440), (2166, 13180), (2280, 12521), (2636, 10830), (2888, 9885), (3295, 8664), (3610, 7908), (3954, 7220), (4332, 6590), (5272, 5415)]