1551720120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{9323}}^1$

素因数の和:9429

約数の個数: 128

約数和(自身を含む): 4967827200

約数和(自身を除く): 3416107080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 146, 152, 190, 219, 228, 285, 292, 365, 380, 438, 456, 570, 584, 730, 760, 876, 1095, 1140, 1387, 1460, 1752, 2190, 2280, 2774, 2920, 4161, 4380, 5548, 6935, 8322, 8760, 9323, 11096, 13870, 16644, 18646, 20805, 27740, 27969, 33288, 37292, 41610, 46615, 55480, 55938, 74584, 83220, 93230, 111876, 139845, 166440, 177137, 186460, 223752, 279690, 354274, 372920, 531411, 559380, 680579, 708548, 885685, 1062822, 1118760, 1361158, 1417096, 1771370, 2041737, 2125644, 2657055, 2722316, 3402895, 3542740, 4083474, 4251288, 5314110, 5444632, 6805790, 7085480, 8166948, 10208685, 10628220, 12931001, 13611580, 16333896, 20417370, 21256440, 25862002, 27223160, 38793003, 40834740, 51724004, 64655005, 77586006, 81669480, 103448008, 129310010, 155172012, 193965015, 258620020, 310344024, 387930030, 517240040, 775860060, 1551720120]

約数ペア:

[(1, 1551720120), (2, 775860060), (3, 517240040), (4, 387930030), (5, 310344024), (6, 258620020), (8, 193965015), (10, 155172012), (12, 129310010), (15, 103448008), (19, 81669480), (20, 77586006), (24, 64655005), (30, 51724004), (38, 40834740), (40, 38793003), (57, 27223160), (60, 25862002), (73, 21256440), (76, 20417370), (95, 16333896), (114, 13611580), (120, 12931001), (146, 10628220), (152, 10208685), (190, 8166948), (219, 7085480), (228, 6805790), (285, 5444632), (292, 5314110), (365, 4251288), (380, 4083474), (438, 3542740), (456, 3402895), (570, 2722316), (584, 2657055), (730, 2125644), (760, 2041737), (876, 1771370), (1095, 1417096), (1140, 1361158), (1387, 1118760), (1460, 1062822), (1752, 885685), (2190, 708548), (2280, 680579), (2774, 559380), (2920, 531411), (4161, 372920), (4380, 354274), (5548, 279690), (6935, 223752), (8322, 186460), (8760, 177137), (9323, 166440), (11096, 139845), (13870, 111876), (16644, 93230), (18646, 83220), (20805, 74584), (27740, 55938), (27969, 55480), (33288, 46615), (37292, 41610)]