19407217920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{11059}}^1$

素因数の和:11540

約数の個数: 144

約数和(自身を含む): 62123046720

約数和(自身を除く): 42715828800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 457, 480, 640, 768, 914, 960, 1280, 1371, 1828, 1920, 2285, 2742, 3656, 3840, 4570, 5484, 6855, 7312, 9140, 10968, 11059, 13710, 14624, 18280, 21936, 22118, 27420, 29248, 33177, 36560, 43872, 44236, 54840, 55295, 58496, 66354, 73120, 87744, 88472, 109680, 110590, 116992, 132708, 146240, 165885, 175488, 176944, 219360, 221180, 265416, 292480, 331770, 350976, 353888, 438720, 442360, 530832, 584960, 663540, 707776, 877440, 884720, 1061664, 1327080, 1415552, 1754880, 1769440, 2123328, 2654160, 2831104, 3538880, 4246656, 5053963, 5308320, 7077760, 8493312, 10107926, 10616640, 14155520, 15161889, 20215852, 21233280, 25269815, 30323778, 40431704, 42466560, 50539630, 60647556, 75809445, 80863408, 101079260, 121295112, 151618890, 161726816, 202158520, 242590224, 303237780, 323453632, 404317040, 485180448, 606475560, 646907264, 808634080, 970360896, 1212951120, 1293814528, 1617268160, 1940721792, 2425902240, 3234536320, 3881443584, 4851804480, 6469072640, 9703608960, 19407217920]

約数ペア:

[(1, 19407217920), (2, 9703608960), (3, 6469072640), (4, 4851804480), (5, 3881443584), (6, 3234536320), (8, 2425902240), (10, 1940721792), (12, 1617268160), (15, 1293814528), (16, 1212951120), (20, 970360896), (24, 808634080), (30, 646907264), (32, 606475560), (40, 485180448), (48, 404317040), (60, 323453632), (64, 303237780), (80, 242590224), (96, 202158520), (120, 161726816), (128, 151618890), (160, 121295112), (192, 101079260), (240, 80863408), (256, 75809445), (320, 60647556), (384, 50539630), (457, 42466560), (480, 40431704), (640, 30323778), (768, 25269815), (914, 21233280), (960, 20215852), (1280, 15161889), (1371, 14155520), (1828, 10616640), (1920, 10107926), (2285, 8493312), (2742, 7077760), (3656, 5308320), (3840, 5053963), (4570, 4246656), (5484, 3538880), (6855, 2831104), (7312, 2654160), (9140, 2123328), (10968, 1769440), (11059, 1754880), (13710, 1415552), (14624, 1327080), (18280, 1061664), (21936, 884720), (22118, 877440), (27420, 707776), (29248, 663540), (33177, 584960), (36560, 530832), (43872, 442360), (44236, 438720), (54840, 353888), (55295, 350976), (58496, 331770), (66354, 292480), (73120, 265416), (87744, 221180), (88472, 219360), (109680, 176944), (110590, 175488), (116992, 165885), (132708, 146240)]