55211220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 175085064

約数和(自身を除く): 119873844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 173, 180, 197, 270, 324, 346, 394, 405, 519, 540, 591, 692, 788, 810, 865, 985, 1038, 1182, 1557, 1620, 1730, 1773, 1970, 2076, 2364, 2595, 2955, 3114, 3460, 3546, 3940, 4671, 5190, 5319, 5910, 6228, 7092, 7785, 8865, 9342, 10380, 10638, 11820, 14013, 15570, 15957, 17730, 18684, 21276, 23355, 26595, 28026, 31140, 31914, 34081, 35460, 46710, 53190, 56052, 63828, 68162, 70065, 79785, 93420, 102243, 106380, 136324, 140130, 159570, 170405, 204486, 280260, 306729, 319140, 340810, 408972, 511215, 613458, 681620, 920187, 1022430, 1226916, 1533645, 1840374, 2044860, 2760561, 3067290, 3680748, 4600935, 5521122, 6134580, 9201870, 11042244, 13802805, 18403740, 27605610, 55211220]

約数ペア:

[(1, 55211220), (2, 27605610), (3, 18403740), (4, 13802805), (5, 11042244), (6, 9201870), (9, 6134580), (10, 5521122), (12, 4600935), (15, 3680748), (18, 3067290), (20, 2760561), (27, 2044860), (30, 1840374), (36, 1533645), (45, 1226916), (54, 1022430), (60, 920187), (81, 681620), (90, 613458), (108, 511215), (135, 408972), (162, 340810), (173, 319140), (180, 306729), (197, 280260), (270, 204486), (324, 170405), (346, 159570), (394, 140130), (405, 136324), (519, 106380), (540, 102243), (591, 93420), (692, 79785), (788, 70065), (810, 68162), (865, 63828), (985, 56052), (1038, 53190), (1182, 46710), (1557, 35460), (1620, 34081), (1730, 31914), (1773, 31140), (1970, 28026), (2076, 26595), (2364, 23355), (2595, 21276), (2955, 18684), (3114, 17730), (3460, 15957), (3546, 15570), (3940, 14013), (4671, 11820), (5190, 10638), (5319, 10380), (5910, 9342), (6228, 8865), (7092, 7785)]