15778784728

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2177

約数の個数: 128

約数和(自身を含む): 35875768320

約数和(自身を除く): 20096983592

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 47, 56, 73, 82, 94, 146, 164, 188, 287, 292, 328, 329, 376, 511, 574, 584, 658, 1022, 1148, 1316, 1927, 2003, 2044, 2296, 2632, 2993, 3431, 3854, 4006, 4088, 5986, 6862, 7708, 8012, 11972, 13489, 13724, 14021, 15416, 16024, 20951, 23944, 24017, 26978, 27448, 28042, 41902, 48034, 53956, 56084, 82123, 83804, 94141, 96068, 107912, 112168, 140671, 146219, 164246, 167608, 188282, 192136, 281342, 292438, 328492, 376564, 562684, 574861, 584876, 656984, 658987, 753128, 984697, 1023533, 1125368, 1149722, 1169752, 1317974, 1969394, 2047066, 2299444, 2635948, 3859781, 3938788, 4094132, 4598888, 5271896, 5994979, 6872293, 7719562, 7877576, 8188264, 11989958, 13744586, 15439124, 23979916, 27018467, 27489172, 30878248, 41964853, 47959832, 48106051, 54036934, 54978344, 83929706, 96212102, 108073868, 167859412, 192424204, 216147736, 281764013, 335718824, 384848408, 563528026, 1127056052, 1972348091, 2254112104, 3944696182, 7889392364, 15778784728]

約数ペア:

[(1, 15778784728), (2, 7889392364), (4, 3944696182), (7, 2254112104), (8, 1972348091), (14, 1127056052), (28, 563528026), (41, 384848408), (47, 335718824), (56, 281764013), (73, 216147736), (82, 192424204), (94, 167859412), (146, 108073868), (164, 96212102), (188, 83929706), (287, 54978344), (292, 54036934), (328, 48106051), (329, 47959832), (376, 41964853), (511, 30878248), (574, 27489172), (584, 27018467), (658, 23979916), (1022, 15439124), (1148, 13744586), (1316, 11989958), (1927, 8188264), (2003, 7877576), (2044, 7719562), (2296, 6872293), (2632, 5994979), (2993, 5271896), (3431, 4598888), (3854, 4094132), (4006, 3938788), (4088, 3859781), (5986, 2635948), (6862, 2299444), (7708, 2047066), (8012, 1969394), (11972, 1317974), (13489, 1169752), (13724, 1149722), (14021, 1125368), (15416, 1023533), (16024, 984697), (20951, 753128), (23944, 658987), (24017, 656984), (26978, 584876), (27448, 574861), (28042, 562684), (41902, 376564), (48034, 328492), (53956, 292438), (56084, 281342), (82123, 192136), (83804, 188282), (94141, 167608), (96068, 164246), (107912, 146219), (112168, 140671)]