256260240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4091}}^1$

素因数の和:4142

約数の個数: 160

約数和(自身を含む): 913334400

約数和(自身を除く): 657074160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4091, 4176, 5220, 6264, 6960, 7830, 8182, 10440, 12273, 12528, 15660, 16364, 20455, 20880, 24546, 31320, 32728, 36819, 40910, 49092, 61365, 62640, 65456, 73638, 81820, 98184, 110457, 118639, 122730, 147276, 163640, 184095, 196368, 220914, 237278, 245460, 294552, 327280, 355917, 368190, 441828, 474556, 490920, 552285, 589104, 593195, 711834, 736380, 883656, 949112, 981840, 1067751, 1104570, 1186390, 1423668, 1472760, 1767312, 1779585, 1898224, 2135502, 2209140, 2372780, 2847336, 2945520, 3203253, 3559170, 4271004, 4418280, 4745560, 5338755, 5694672, 6406506, 7118340, 8542008, 8836560, 9491120, 10677510, 12813012, 14236680, 16016265, 17084016, 21355020, 25626024, 28473360, 32032530, 42710040, 51252048, 64065060, 85420080, 128130120, 256260240]

約数ペア:

[(1, 256260240), (2, 128130120), (3, 85420080), (4, 64065060), (5, 51252048), (6, 42710040), (8, 32032530), (9, 28473360), (10, 25626024), (12, 21355020), (15, 17084016), (16, 16016265), (18, 14236680), (20, 12813012), (24, 10677510), (27, 9491120), (29, 8836560), (30, 8542008), (36, 7118340), (40, 6406506), (45, 5694672), (48, 5338755), (54, 4745560), (58, 4418280), (60, 4271004), (72, 3559170), (80, 3203253), (87, 2945520), (90, 2847336), (108, 2372780), (116, 2209140), (120, 2135502), (135, 1898224), (144, 1779585), (145, 1767312), (174, 1472760), (180, 1423668), (216, 1186390), (232, 1104570), (240, 1067751), (261, 981840), (270, 949112), (290, 883656), (348, 736380), (360, 711834), (432, 593195), (435, 589104), (464, 552285), (522, 490920), (540, 474556), (580, 441828), (696, 368190), (720, 355917), (783, 327280), (870, 294552), (1044, 245460), (1080, 237278), (1160, 220914), (1305, 196368), (1392, 184095), (1566, 163640), (1740, 147276), (2088, 122730), (2160, 118639), (2320, 110457), (2610, 98184), (3132, 81820), (3480, 73638), (3915, 65456), (4091, 62640), (4176, 61365), (5220, 49092), (6264, 40910), (6960, 36819), (7830, 32728), (8182, 31320), (10440, 24546), (12273, 20880), (12528, 20455), (15660, 16364)]