260355680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 723945600

約数和(自身を除く): 463589920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 136, 148, 160, 170, 185, 199, 208, 221, 260, 272, 296, 340, 370, 398, 416, 442, 481, 520, 544, 592, 629, 680, 740, 796, 884, 962, 995, 1040, 1105, 1184, 1258, 1360, 1480, 1592, 1768, 1924, 1990, 2080, 2210, 2405, 2516, 2587, 2720, 2960, 3145, 3184, 3383, 3536, 3848, 3980, 4420, 4810, 5032, 5174, 5920, 6290, 6368, 6766, 7072, 7363, 7696, 7960, 8177, 8840, 9620, 10064, 10348, 12580, 12935, 13532, 14726, 15392, 15920, 16354, 16915, 17680, 19240, 20128, 20696, 25160, 25870, 27064, 29452, 31840, 32708, 33830, 35360, 36815, 38480, 40885, 41392, 43979, 50320, 51740, 54128, 58904, 65416, 67660, 73630, 76960, 81770, 82784, 87958, 95719, 100640, 103480, 108256, 117808, 125171, 130832, 135320, 147260, 163540, 175916, 191438, 206960, 219895, 235616, 250342, 261664, 270640, 294520, 327080, 351832, 382876, 413920, 439790, 478595, 500684, 541280, 589040, 625855, 654160, 703664, 765752, 879580, 957190, 1001368, 1178080, 1251710, 1308320, 1407328, 1531504, 1627223, 1759160, 1914380, 2002736, 2503420, 3063008, 3254446, 3518320, 3828760, 4005472, 5006840, 6508892, 7036640, 7657520, 8136115, 10013680, 13017784, 15315040, 16272230, 20027360, 26035568, 32544460, 52071136, 65088920, 130177840, 260355680]

約数ペア:

[(1, 260355680), (2, 130177840), (4, 65088920), (5, 52071136), (8, 32544460), (10, 26035568), (13, 20027360), (16, 16272230), (17, 15315040), (20, 13017784), (26, 10013680), (32, 8136115), (34, 7657520), (37, 7036640), (40, 6508892), (52, 5006840), (65, 4005472), (68, 3828760), (74, 3518320), (80, 3254446), (85, 3063008), (104, 2503420), (130, 2002736), (136, 1914380), (148, 1759160), (160, 1627223), (170, 1531504), (185, 1407328), (199, 1308320), (208, 1251710), (221, 1178080), (260, 1001368), (272, 957190), (296, 879580), (340, 765752), (370, 703664), (398, 654160), (416, 625855), (442, 589040), (481, 541280), (520, 500684), (544, 478595), (592, 439790), (629, 413920), (680, 382876), (740, 351832), (796, 327080), (884, 294520), (962, 270640), (995, 261664), (1040, 250342), (1105, 235616), (1184, 219895), (1258, 206960), (1360, 191438), (1480, 175916), (1592, 163540), (1768, 147260), (1924, 135320), (1990, 130832), (2080, 125171), (2210, 117808), (2405, 108256), (2516, 103480), (2587, 100640), (2720, 95719), (2960, 87958), (3145, 82784), (3184, 81770), (3383, 76960), (3536, 73630), (3848, 67660), (3980, 65416), (4420, 58904), (4810, 54128), (5032, 51740), (5174, 50320), (5920, 43979), (6290, 41392), (6368, 40885), (6766, 38480), (7072, 36815), (7363, 35360), (7696, 33830), (7960, 32708), (8177, 31840), (8840, 29452), (9620, 27064), (10064, 25870), (10348, 25160), (12580, 20696), (12935, 20128), (13532, 19240), (14726, 17680), (15392, 16915), (15920, 16354)]