258736240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 461217680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 59, 70, 80, 82, 112, 118, 140, 164, 191, 205, 236, 280, 287, 295, 328, 382, 410, 413, 472, 560, 574, 590, 656, 764, 820, 826, 944, 955, 1148, 1180, 1337, 1435, 1528, 1640, 1652, 1910, 2065, 2296, 2360, 2419, 2674, 2870, 3056, 3280, 3304, 3820, 4130, 4592, 4720, 4838, 5348, 5740, 6608, 6685, 7640, 7831, 8260, 9676, 10696, 11269, 11480, 12095, 13370, 15280, 15662, 16520, 16933, 19352, 21392, 22538, 22960, 24190, 26740, 31324, 33040, 33866, 38704, 39155, 45076, 48380, 53480, 54817, 56345, 62648, 67732, 78310, 78883, 84665, 90152, 96760, 106960, 109634, 112690, 125296, 135464, 156620, 157766, 169330, 180304, 193520, 219268, 225380, 270928, 274085, 313240, 315532, 338660, 394415, 438536, 450760, 462029, 548170, 626480, 631064, 677320, 788830, 877072, 901520, 924058, 1096340, 1262128, 1354640, 1577660, 1848116, 2192680, 2310145, 3155320, 3234203, 3696232, 4385360, 4620290, 6310640, 6468406, 7392464, 9240580, 12936812, 16171015, 18481160, 25873624, 32342030, 36962320, 51747248, 64684060, 129368120, 258736240]

約数ペア:

[(1, 258736240), (2, 129368120), (4, 64684060), (5, 51747248), (7, 36962320), (8, 32342030), (10, 25873624), (14, 18481160), (16, 16171015), (20, 12936812), (28, 9240580), (35, 7392464), (40, 6468406), (41, 6310640), (56, 4620290), (59, 4385360), (70, 3696232), (80, 3234203), (82, 3155320), (112, 2310145), (118, 2192680), (140, 1848116), (164, 1577660), (191, 1354640), (205, 1262128), (236, 1096340), (280, 924058), (287, 901520), (295, 877072), (328, 788830), (382, 677320), (410, 631064), (413, 626480), (472, 548170), (560, 462029), (574, 450760), (590, 438536), (656, 394415), (764, 338660), (820, 315532), (826, 313240), (944, 274085), (955, 270928), (1148, 225380), (1180, 219268), (1337, 193520), (1435, 180304), (1528, 169330), (1640, 157766), (1652, 156620), (1910, 135464), (2065, 125296), (2296, 112690), (2360, 109634), (2419, 106960), (2674, 96760), (2870, 90152), (3056, 84665), (3280, 78883), (3304, 78310), (3820, 67732), (4130, 62648), (4592, 56345), (4720, 54817), (4838, 53480), (5348, 48380), (5740, 45076), (6608, 39155), (6685, 38704), (7640, 33866), (7831, 33040), (8260, 31324), (9676, 26740), (10696, 24190), (11269, 22960), (11480, 22538), (12095, 21392), (13370, 19352), (15280, 16933), (15662, 16520)]