144840840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 452113920

約数和(自身を除く): 307273080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 61, 94, 120, 122, 141, 183, 188, 235, 244, 282, 305, 366, 376, 421, 470, 488, 564, 610, 705, 732, 842, 915, 940, 1128, 1220, 1263, 1410, 1464, 1684, 1830, 1880, 2105, 2440, 2526, 2820, 2867, 3368, 3660, 4210, 5052, 5640, 5734, 6315, 7320, 8420, 8601, 10104, 11468, 12630, 14335, 16840, 17202, 19787, 22936, 25260, 25681, 28670, 34404, 39574, 43005, 50520, 51362, 57340, 59361, 68808, 77043, 79148, 86010, 98935, 102724, 114680, 118722, 128405, 154086, 158296, 172020, 197870, 205448, 237444, 256810, 296805, 308172, 344040, 385215, 395740, 474888, 513620, 593610, 616344, 770430, 791480, 1027240, 1187220, 1207007, 1540860, 2374440, 2414014, 3081720, 3621021, 4828028, 6035035, 7242042, 9656056, 12070070, 14484084, 18105105, 24140140, 28968168, 36210210, 48280280, 72420420, 144840840]

約数ペア:

[(1, 144840840), (2, 72420420), (3, 48280280), (4, 36210210), (5, 28968168), (6, 24140140), (8, 18105105), (10, 14484084), (12, 12070070), (15, 9656056), (20, 7242042), (24, 6035035), (30, 4828028), (40, 3621021), (47, 3081720), (60, 2414014), (61, 2374440), (94, 1540860), (120, 1207007), (122, 1187220), (141, 1027240), (183, 791480), (188, 770430), (235, 616344), (244, 593610), (282, 513620), (305, 474888), (366, 395740), (376, 385215), (421, 344040), (470, 308172), (488, 296805), (564, 256810), (610, 237444), (705, 205448), (732, 197870), (842, 172020), (915, 158296), (940, 154086), (1128, 128405), (1220, 118722), (1263, 114680), (1410, 102724), (1464, 98935), (1684, 86010), (1830, 79148), (1880, 77043), (2105, 68808), (2440, 59361), (2526, 57340), (2820, 51362), (2867, 50520), (3368, 43005), (3660, 39574), (4210, 34404), (5052, 28670), (5640, 25681), (5734, 25260), (6315, 22936), (7320, 19787), (8420, 17202), (8601, 16840), (10104, 14335), (11468, 12630)]