1280453700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9767}}^1$

素因数の和:9826

約数の個数: 144

約数和(自身を含む): 4069739520

約数和(自身を除く): 2789285820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 138, 150, 190, 228, 230, 276, 285, 300, 345, 380, 437, 460, 475, 570, 575, 690, 874, 950, 1140, 1150, 1311, 1380, 1425, 1725, 1748, 1900, 2185, 2300, 2622, 2850, 3450, 4370, 5244, 5700, 6555, 6900, 8740, 9767, 10925, 13110, 19534, 21850, 26220, 29301, 32775, 39068, 43700, 48835, 58602, 65550, 97670, 117204, 131100, 146505, 185573, 195340, 224641, 244175, 293010, 371146, 449282, 488350, 556719, 586020, 673923, 732525, 742292, 898564, 927865, 976700, 1113438, 1123205, 1347846, 1465050, 1855730, 2226876, 2246410, 2695692, 2783595, 2930100, 3369615, 3711460, 4268179, 4492820, 4639325, 5567190, 5616025, 6739230, 8536358, 9278650, 11134380, 11232050, 12804537, 13478460, 13917975, 16848075, 17072716, 18557300, 21340895, 22464100, 25609074, 27835950, 33696150, 42681790, 51218148, 55671900, 64022685, 67392300, 85363580, 106704475, 128045370, 213408950, 256090740, 320113425, 426817900, 640226850, 1280453700]

約数ペア:

[(1, 1280453700), (2, 640226850), (3, 426817900), (4, 320113425), (5, 256090740), (6, 213408950), (10, 128045370), (12, 106704475), (15, 85363580), (19, 67392300), (20, 64022685), (23, 55671900), (25, 51218148), (30, 42681790), (38, 33696150), (46, 27835950), (50, 25609074), (57, 22464100), (60, 21340895), (69, 18557300), (75, 17072716), (76, 16848075), (92, 13917975), (95, 13478460), (100, 12804537), (114, 11232050), (115, 11134380), (138, 9278650), (150, 8536358), (190, 6739230), (228, 5616025), (230, 5567190), (276, 4639325), (285, 4492820), (300, 4268179), (345, 3711460), (380, 3369615), (437, 2930100), (460, 2783595), (475, 2695692), (570, 2246410), (575, 2226876), (690, 1855730), (874, 1465050), (950, 1347846), (1140, 1123205), (1150, 1113438), (1311, 976700), (1380, 927865), (1425, 898564), (1725, 742292), (1748, 732525), (1900, 673923), (2185, 586020), (2300, 556719), (2622, 488350), (2850, 449282), (3450, 371146), (4370, 293010), (5244, 244175), (5700, 224641), (6555, 195340), (6900, 185573), (8740, 146505), (9767, 131100), (10925, 117204), (13110, 97670), (19534, 65550), (21850, 58602), (26220, 48835), (29301, 43700), (32775, 39068)]