87888870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 243360000

約数和(自身を除く): 155471130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 103, 114, 171, 190, 206, 285, 309, 342, 499, 515, 570, 618, 855, 927, 998, 1030, 1497, 1545, 1710, 1854, 1957, 2495, 2994, 3090, 3914, 4491, 4635, 4990, 5871, 7485, 8982, 9270, 9481, 9785, 11742, 14970, 17613, 18962, 19570, 22455, 28443, 29355, 35226, 44910, 47405, 51397, 56886, 58710, 85329, 88065, 94810, 102794, 142215, 154191, 170658, 176130, 256985, 284430, 308382, 426645, 462573, 513970, 770955, 853290, 925146, 976543, 1541910, 1953086, 2312865, 2929629, 4625730, 4882715, 5859258, 8788887, 9765430, 14648145, 17577774, 29296290, 43944435, 87888870]

約数ペア:

[(1, 87888870), (2, 43944435), (3, 29296290), (5, 17577774), (6, 14648145), (9, 9765430), (10, 8788887), (15, 5859258), (18, 4882715), (19, 4625730), (30, 2929629), (38, 2312865), (45, 1953086), (57, 1541910), (90, 976543), (95, 925146), (103, 853290), (114, 770955), (171, 513970), (190, 462573), (206, 426645), (285, 308382), (309, 284430), (342, 256985), (499, 176130), (515, 170658), (570, 154191), (618, 142215), (855, 102794), (927, 94810), (998, 88065), (1030, 85329), (1497, 58710), (1545, 56886), (1710, 51397), (1854, 47405), (1957, 44910), (2495, 35226), (2994, 29355), (3090, 28443), (3914, 22455), (4491, 19570), (4635, 18962), (4990, 17613), (5871, 14970), (7485, 11742), (8982, 9785), (9270, 9481)]