195640020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1987}}^1$

素因数の和:2549

約数の個数: 72

約数和(自身を含む): 594825504

約数和(自身を除く): 399185484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 1094, 1641, 1987, 2188, 2735, 3282, 3974, 4923, 5470, 5961, 6564, 7948, 8205, 9846, 9935, 10940, 11922, 16410, 17883, 19692, 19870, 23844, 24615, 29805, 32820, 35766, 39740, 49230, 59610, 71532, 89415, 98460, 119220, 178830, 357660, 1086889, 2173778, 3260667, 4347556, 5434445, 6521334, 9782001, 10868890, 13042668, 16303335, 19564002, 21737780, 32606670, 39128004, 48910005, 65213340, 97820010, 195640020]

約数ペア:

[(1, 195640020), (2, 97820010), (3, 65213340), (4, 48910005), (5, 39128004), (6, 32606670), (9, 21737780), (10, 19564002), (12, 16303335), (15, 13042668), (18, 10868890), (20, 9782001), (30, 6521334), (36, 5434445), (45, 4347556), (60, 3260667), (90, 2173778), (180, 1086889), (547, 357660), (1094, 178830), (1641, 119220), (1987, 98460), (2188, 89415), (2735, 71532), (3282, 59610), (3974, 49230), (4923, 39740), (5470, 35766), (5961, 32820), (6564, 29805), (7948, 24615), (8205, 23844), (9846, 19870), (9935, 19692), (10940, 17883), (11922, 16410)]