128401680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2905

約数の個数: 160

約数和(自身を含む): 459934848

約数和(自身を除く): 331533168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1496, 1870, 2040, 2244, 2640, 2805, 2861, 2992, 3740, 4080, 4488, 5610, 5722, 7480, 8583, 8976, 11220, 11444, 14305, 14960, 17166, 22440, 22888, 28610, 31471, 34332, 42915, 44880, 45776, 48637, 57220, 62942, 68664, 85830, 94413, 97274, 114440, 125884, 137328, 145911, 157355, 171660, 188826, 194548, 228880, 243185, 251768, 291822, 314710, 343320, 377652, 389096, 472065, 486370, 503536, 535007, 583644, 629420, 686640, 729555, 755304, 778192, 944130, 972740, 1070014, 1167288, 1258840, 1459110, 1510608, 1605021, 1888260, 1945480, 2140028, 2334576, 2517680, 2675035, 2918220, 3210042, 3776520, 3890960, 4280056, 5350070, 5836440, 6420084, 7553040, 8025105, 8560112, 10700140, 11672880, 12840168, 16050210, 21400280, 25680336, 32100420, 42800560, 64200840, 128401680]

約数ペア:

[(1, 128401680), (2, 64200840), (3, 42800560), (4, 32100420), (5, 25680336), (6, 21400280), (8, 16050210), (10, 12840168), (11, 11672880), (12, 10700140), (15, 8560112), (16, 8025105), (17, 7553040), (20, 6420084), (22, 5836440), (24, 5350070), (30, 4280056), (33, 3890960), (34, 3776520), (40, 3210042), (44, 2918220), (48, 2675035), (51, 2517680), (55, 2334576), (60, 2140028), (66, 1945480), (68, 1888260), (80, 1605021), (85, 1510608), (88, 1459110), (102, 1258840), (110, 1167288), (120, 1070014), (132, 972740), (136, 944130), (165, 778192), (170, 755304), (176, 729555), (187, 686640), (204, 629420), (220, 583644), (240, 535007), (255, 503536), (264, 486370), (272, 472065), (330, 389096), (340, 377652), (374, 343320), (408, 314710), (440, 291822), (510, 251768), (528, 243185), (561, 228880), (660, 194548), (680, 188826), (748, 171660), (816, 157355), (880, 145911), (935, 137328), (1020, 125884), (1122, 114440), (1320, 97274), (1360, 94413), (1496, 85830), (1870, 68664), (2040, 62942), (2244, 57220), (2640, 48637), (2805, 45776), (2861, 44880), (2992, 42915), (3740, 34332), (4080, 31471), (4488, 28610), (5610, 22888), (5722, 22440), (7480, 17166), (8583, 14960), (8976, 14305), (11220, 11444)]