1855488120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1973}}^1$

素因数の和:2465

約数の個数: 128

約数和(自身を含む): 5909682240

約数和(自身を除く): 4054194120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 461, 510, 680, 922, 1020, 1383, 1844, 1973, 2040, 2305, 2766, 3688, 3946, 4610, 5532, 5919, 6915, 7837, 7892, 9220, 9865, 11064, 11838, 13830, 15674, 15784, 18440, 19730, 23511, 23676, 27660, 29595, 31348, 33541, 39185, 39460, 47022, 47352, 55320, 59190, 62696, 67082, 78370, 78920, 94044, 100623, 117555, 118380, 134164, 156740, 167705, 188088, 201246, 235110, 236760, 268328, 313480, 335410, 402492, 470220, 503115, 670820, 804984, 909553, 940440, 1006230, 1341640, 1819106, 2012460, 2728659, 3638212, 4024920, 4547765, 5457318, 7276424, 9095530, 10914636, 13643295, 15462401, 18191060, 21829272, 27286590, 30924802, 36382120, 46387203, 54573180, 61849604, 77312005, 92774406, 109146360, 123699208, 154624010, 185548812, 231936015, 309248020, 371097624, 463872030, 618496040, 927744060, 1855488120]

約数ペア:

[(1, 1855488120), (2, 927744060), (3, 618496040), (4, 463872030), (5, 371097624), (6, 309248020), (8, 231936015), (10, 185548812), (12, 154624010), (15, 123699208), (17, 109146360), (20, 92774406), (24, 77312005), (30, 61849604), (34, 54573180), (40, 46387203), (51, 36382120), (60, 30924802), (68, 27286590), (85, 21829272), (102, 18191060), (120, 15462401), (136, 13643295), (170, 10914636), (204, 9095530), (255, 7276424), (340, 5457318), (408, 4547765), (461, 4024920), (510, 3638212), (680, 2728659), (922, 2012460), (1020, 1819106), (1383, 1341640), (1844, 1006230), (1973, 940440), (2040, 909553), (2305, 804984), (2766, 670820), (3688, 503115), (3946, 470220), (4610, 402492), (5532, 335410), (5919, 313480), (6915, 268328), (7837, 236760), (7892, 235110), (9220, 201246), (9865, 188088), (11064, 167705), (11838, 156740), (13830, 134164), (15674, 118380), (15784, 117555), (18440, 100623), (19730, 94044), (23511, 78920), (23676, 78370), (27660, 67082), (29595, 62696), (31348, 59190), (33541, 55320), (39185, 47352), (39460, 47022)]