254403540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1126

約数の個数: 144

約数和(自身を含む): 824241600

約数和(自身を除く): 569838060

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, 114, 146, 171, 180, 190, 219, 228, 285, 292, 342, 365, 380, 438, 570, 657, 684, 730, 855, 876, 1019, 1095, 1140, 1314, 1387, 1460, 1710, 2038, 2190, 2628, 2774, 3057, 3285, 3420, 4076, 4161, 4380, 5095, 5548, 6114, 6570, 6935, 8322, 9171, 10190, 12228, 12483, 13140, 13870, 15285, 16644, 18342, 19361, 20380, 20805, 24966, 27740, 30570, 36684, 38722, 41610, 45855, 49932, 58083, 61140, 62415, 74387, 77444, 83220, 91710, 96805, 116166, 124830, 148774, 174249, 183420, 193610, 223161, 232332, 249660, 290415, 297548, 348498, 371935, 387220, 446322, 580830, 669483, 696996, 743870, 871245, 892644, 1115805, 1161660, 1338966, 1413353, 1487740, 1742490, 2231610, 2677932, 2826706, 3347415, 3484980, 4240059, 4463220, 5653412, 6694830, 7066765, 8480118, 12720177, 13389660, 14133530, 16960236, 21200295, 25440354, 28267060, 42400590, 50880708, 63600885, 84801180, 127201770, 254403540]

約数ペア:

[(1, 254403540), (2, 127201770), (3, 84801180), (4, 63600885), (5, 50880708), (6, 42400590), (9, 28267060), (10, 25440354), (12, 21200295), (15, 16960236), (18, 14133530), (19, 13389660), (20, 12720177), (30, 8480118), (36, 7066765), (38, 6694830), (45, 5653412), (57, 4463220), (60, 4240059), (73, 3484980), (76, 3347415), (90, 2826706), (95, 2677932), (114, 2231610), (146, 1742490), (171, 1487740), (180, 1413353), (190, 1338966), (219, 1161660), (228, 1115805), (285, 892644), (292, 871245), (342, 743870), (365, 696996), (380, 669483), (438, 580830), (570, 446322), (657, 387220), (684, 371935), (730, 348498), (855, 297548), (876, 290415), (1019, 249660), (1095, 232332), (1140, 223161), (1314, 193610), (1387, 183420), (1460, 174249), (1710, 148774), (2038, 124830), (2190, 116166), (2628, 96805), (2774, 91710), (3057, 83220), (3285, 77444), (3420, 74387), (4076, 62415), (4161, 61140), (4380, 58083), (5095, 49932), (5548, 45855), (6114, 41610), (6570, 38722), (6935, 36684), (8322, 30570), (9171, 27740), (10190, 24966), (12228, 20805), (12483, 20380), (13140, 19361), (13870, 18342), (15285, 16644)]