25714980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 84040320

約数和(自身を除く): 58325340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 103, 114, 146, 171, 180, 190, 206, 219, 228, 285, 292, 309, 342, 365, 380, 412, 438, 515, 570, 618, 657, 684, 730, 855, 876, 927, 1030, 1095, 1140, 1236, 1314, 1387, 1460, 1545, 1710, 1854, 1957, 2060, 2190, 2628, 2774, 3090, 3285, 3420, 3708, 3914, 4161, 4380, 4635, 5548, 5871, 6180, 6570, 6935, 7519, 7828, 8322, 9270, 9785, 11742, 12483, 13140, 13870, 15038, 16644, 17613, 18540, 19570, 20805, 22557, 23484, 24966, 27740, 29355, 30076, 35226, 37595, 39140, 41610, 45114, 49932, 58710, 62415, 67671, 70452, 75190, 83220, 88065, 90228, 112785, 117420, 124830, 135342, 142861, 150380, 176130, 225570, 249660, 270684, 285722, 338355, 352260, 428583, 451140, 571444, 676710, 714305, 857166, 1285749, 1353420, 1428610, 1714332, 2142915, 2571498, 2857220, 4285830, 5142996, 6428745, 8571660, 12857490, 25714980]

約数ペア:

[(1, 25714980), (2, 12857490), (3, 8571660), (4, 6428745), (5, 5142996), (6, 4285830), (9, 2857220), (10, 2571498), (12, 2142915), (15, 1714332), (18, 1428610), (19, 1353420), (20, 1285749), (30, 857166), (36, 714305), (38, 676710), (45, 571444), (57, 451140), (60, 428583), (73, 352260), (76, 338355), (90, 285722), (95, 270684), (103, 249660), (114, 225570), (146, 176130), (171, 150380), (180, 142861), (190, 135342), (206, 124830), (219, 117420), (228, 112785), (285, 90228), (292, 88065), (309, 83220), (342, 75190), (365, 70452), (380, 67671), (412, 62415), (438, 58710), (515, 49932), (570, 45114), (618, 41610), (657, 39140), (684, 37595), (730, 35226), (855, 30076), (876, 29355), (927, 27740), (1030, 24966), (1095, 23484), (1140, 22557), (1236, 20805), (1314, 19570), (1387, 18540), (1460, 17613), (1545, 16644), (1710, 15038), (1854, 13870), (1957, 13140), (2060, 12483), (2190, 11742), (2628, 9785), (2774, 9270), (3090, 8322), (3285, 7828), (3420, 7519), (3708, 6935), (3914, 6570), (4161, 6180), (4380, 5871), (4635, 5548)]