1217403840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20789}}^1$

素因数の和:20870

約数の個数: 112

約数和(自身を含む): 3928811040

約数和(自身を除く): 2711407200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 160, 183, 192, 240, 244, 305, 320, 366, 480, 488, 610, 732, 915, 960, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 3904, 4880, 5856, 7320, 9760, 11712, 14640, 19520, 20789, 29280, 41578, 58560, 62367, 83156, 103945, 124734, 166312, 207890, 249468, 311835, 332624, 415780, 498936, 623670, 665248, 831560, 997872, 1247340, 1268129, 1330496, 1663120, 1995744, 2494680, 2536258, 3326240, 3804387, 3991488, 4989360, 5072516, 6340645, 6652480, 7608774, 9978720, 10145032, 12681290, 15217548, 19021935, 19957440, 20290064, 25362580, 30435096, 38043870, 40580128, 50725160, 60870192, 76087740, 81160256, 101450320, 121740384, 152175480, 202900640, 243480768, 304350960, 405801280, 608701920, 1217403840]

約数ペア:

[(1, 1217403840), (2, 608701920), (3, 405801280), (4, 304350960), (5, 243480768), (6, 202900640), (8, 152175480), (10, 121740384), (12, 101450320), (15, 81160256), (16, 76087740), (20, 60870192), (24, 50725160), (30, 40580128), (32, 38043870), (40, 30435096), (48, 25362580), (60, 20290064), (61, 19957440), (64, 19021935), (80, 15217548), (96, 12681290), (120, 10145032), (122, 9978720), (160, 7608774), (183, 6652480), (192, 6340645), (240, 5072516), (244, 4989360), (305, 3991488), (320, 3804387), (366, 3326240), (480, 2536258), (488, 2494680), (610, 1995744), (732, 1663120), (915, 1330496), (960, 1268129), (976, 1247340), (1220, 997872), (1464, 831560), (1830, 665248), (1952, 623670), (2440, 498936), (2928, 415780), (3660, 332624), (3904, 311835), (4880, 249468), (5856, 207890), (7320, 166312), (9760, 124734), (11712, 103945), (14640, 83156), (19520, 62367), (20789, 58560), (29280, 41578)]