161946180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1034

約数の個数: 144

約数和(自身を含む): 542505600

約数和(自身を除く): 380559420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 89, 90, 99, 110, 132, 165, 178, 180, 198, 220, 267, 330, 356, 396, 445, 495, 534, 660, 801, 890, 919, 979, 990, 1068, 1335, 1602, 1780, 1838, 1958, 1980, 2670, 2757, 2937, 3204, 3676, 3916, 4005, 4595, 4895, 5340, 5514, 5874, 8010, 8271, 8811, 9190, 9790, 10109, 11028, 11748, 13785, 14685, 16020, 16542, 17622, 18380, 19580, 20218, 27570, 29370, 30327, 33084, 35244, 40436, 41355, 44055, 50545, 55140, 58740, 60654, 81791, 82710, 88110, 90981, 101090, 121308, 151635, 163582, 165420, 176220, 181962, 202180, 245373, 303270, 327164, 363924, 408955, 454905, 490746, 606540, 736119, 817910, 899701, 909810, 981492, 1226865, 1472238, 1635820, 1799402, 1819620, 2453730, 2699103, 2944476, 3598804, 3680595, 4498505, 4907460, 5398206, 7361190, 8097309, 8997010, 10796412, 13495515, 14722380, 16194618, 17994020, 26991030, 32389236, 40486545, 53982060, 80973090, 161946180]

約数ペア:

[(1, 161946180), (2, 80973090), (3, 53982060), (4, 40486545), (5, 32389236), (6, 26991030), (9, 17994020), (10, 16194618), (11, 14722380), (12, 13495515), (15, 10796412), (18, 8997010), (20, 8097309), (22, 7361190), (30, 5398206), (33, 4907460), (36, 4498505), (44, 3680595), (45, 3598804), (55, 2944476), (60, 2699103), (66, 2453730), (89, 1819620), (90, 1799402), (99, 1635820), (110, 1472238), (132, 1226865), (165, 981492), (178, 909810), (180, 899701), (198, 817910), (220, 736119), (267, 606540), (330, 490746), (356, 454905), (396, 408955), (445, 363924), (495, 327164), (534, 303270), (660, 245373), (801, 202180), (890, 181962), (919, 176220), (979, 165420), (990, 163582), (1068, 151635), (1335, 121308), (1602, 101090), (1780, 90981), (1838, 88110), (1958, 82710), (1980, 81791), (2670, 60654), (2757, 58740), (2937, 55140), (3204, 50545), (3676, 44055), (3916, 41355), (4005, 40436), (4595, 35244), (4895, 33084), (5340, 30327), (5514, 29370), (5874, 27570), (8010, 20218), (8271, 19580), (8811, 18380), (9190, 17622), (9790, 16542), (10109, 16020), (11028, 14685), (11748, 13785)]