1915217200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:280

約数の個数: 180

約数和(自身を含む): 5162461248

約数和(自身を除く): 3247244048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 109, 124, 130, 155, 200, 208, 218, 248, 260, 310, 325, 400, 403, 436, 496, 520, 545, 620, 650, 775, 806, 872, 1040, 1090, 1240, 1300, 1417, 1550, 1612, 1744, 2015, 2180, 2480, 2600, 2725, 2834, 3100, 3224, 3379, 4030, 4360, 5200, 5450, 5668, 6200, 6448, 6758, 7085, 8060, 8720, 10075, 10900, 11336, 11881, 12400, 13516, 14170, 16120, 16895, 20150, 21800, 22672, 23762, 27032, 28340, 32240, 33790, 35425, 40300, 43600, 43927, 47524, 54064, 56680, 59405, 67580, 70850, 80600, 84475, 87854, 95048, 113360, 118810, 135160, 141700, 154453, 161200, 168950, 175708, 190096, 219635, 237620, 270320, 283400, 297025, 308906, 337900, 351416, 368311, 439270, 475240, 566800, 594050, 617812, 675800, 702832, 736622, 772265, 878540, 950480, 1098175, 1188100, 1235624, 1351600, 1473244, 1544530, 1757080, 1841555, 2196350, 2376200, 2471248, 2946488, 3089060, 3514160, 3683110, 3861325, 4392700, 4752400, 4788043, 5892976, 6178120, 7366220, 7722650, 8785400, 9207775, 9576086, 12356240, 14732440, 15445300, 17570800, 18415550, 19152172, 23940215, 29464880, 30890600, 36831100, 38304344, 47880430, 61781200, 73662200, 76608688, 95760860, 119701075, 147324400, 191521720, 239402150, 383043440, 478804300, 957608600, 1915217200]

約数ペア:

[(1, 1915217200), (2, 957608600), (4, 478804300), (5, 383043440), (8, 239402150), (10, 191521720), (13, 147324400), (16, 119701075), (20, 95760860), (25, 76608688), (26, 73662200), (31, 61781200), (40, 47880430), (50, 38304344), (52, 36831100), (62, 30890600), (65, 29464880), (80, 23940215), (100, 19152172), (104, 18415550), (109, 17570800), (124, 15445300), (130, 14732440), (155, 12356240), (200, 9576086), (208, 9207775), (218, 8785400), (248, 7722650), (260, 7366220), (310, 6178120), (325, 5892976), (400, 4788043), (403, 4752400), (436, 4392700), (496, 3861325), (520, 3683110), (545, 3514160), (620, 3089060), (650, 2946488), (775, 2471248), (806, 2376200), (872, 2196350), (1040, 1841555), (1090, 1757080), (1240, 1544530), (1300, 1473244), (1417, 1351600), (1550, 1235624), (1612, 1188100), (1744, 1098175), (2015, 950480), (2180, 878540), (2480, 772265), (2600, 736622), (2725, 702832), (2834, 675800), (3100, 617812), (3224, 594050), (3379, 566800), (4030, 475240), (4360, 439270), (5200, 368311), (5450, 351416), (5668, 337900), (6200, 308906), (6448, 297025), (6758, 283400), (7085, 270320), (8060, 237620), (8720, 219635), (10075, 190096), (10900, 175708), (11336, 168950), (11881, 161200), (12400, 154453), (13516, 141700), (14170, 135160), (16120, 118810), (16895, 113360), (20150, 95048), (21800, 87854), (22672, 84475), (23762, 80600), (27032, 70850), (28340, 67580), (32240, 59405), (33790, 56680), (35425, 54064), (40300, 47524), (43600, 43927)]