15912880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 80

約数和(自身を含む): 40399200

約数和(自身を除く): 24486320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 361, 380, 464, 551, 580, 722, 760, 1102, 1160, 1444, 1520, 1805, 2204, 2320, 2755, 2888, 3610, 4408, 5510, 5776, 6859, 7220, 8816, 10469, 11020, 13718, 14440, 20938, 22040, 27436, 28880, 34295, 41876, 44080, 52345, 54872, 68590, 83752, 104690, 109744, 137180, 167504, 198911, 209380, 274360, 397822, 418760, 548720, 795644, 837520, 994555, 1591288, 1989110, 3182576, 3978220, 7956440, 15912880]

約数ペア:

[(1, 15912880), (2, 7956440), (4, 3978220), (5, 3182576), (8, 1989110), (10, 1591288), (16, 994555), (19, 837520), (20, 795644), (29, 548720), (38, 418760), (40, 397822), (58, 274360), (76, 209380), (80, 198911), (95, 167504), (116, 137180), (145, 109744), (152, 104690), (190, 83752), (232, 68590), (290, 54872), (304, 52345), (361, 44080), (380, 41876), (464, 34295), (551, 28880), (580, 27436), (722, 22040), (760, 20938), (1102, 14440), (1160, 13718), (1444, 11020), (1520, 10469), (1805, 8816), (2204, 7220), (2320, 6859), (2755, 5776), (2888, 5510), (3610, 4408)]