305395440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{25969}}^1$

素因数の和:25999

約数の個数: 120

約数和(自身を含む): 1101335760

約数和(自身を除く): 795940320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 25969, 51938, 77907, 103876, 129845, 155814, 181783, 207752, 259690, 311628, 363566, 389535, 415504, 519380, 545349, 623256, 727132, 779070, 908915, 1038760, 1090698, 1246512, 1272481, 1454264, 1558140, 1817830, 2077520, 2181396, 2544962, 2726745, 2908528, 3116280, 3635660, 3817443, 4362792, 5089924, 5453490, 6232560, 6362405, 7271320, 7634886, 8725584, 10179848, 10906980, 12724810, 14542640, 15269772, 19087215, 20359696, 21813960, 25449620, 30539544, 38174430, 43627920, 50899240, 61079088, 76348860, 101798480, 152697720, 305395440]

約数ペア:

[(1, 305395440), (2, 152697720), (3, 101798480), (4, 76348860), (5, 61079088), (6, 50899240), (7, 43627920), (8, 38174430), (10, 30539544), (12, 25449620), (14, 21813960), (15, 20359696), (16, 19087215), (20, 15269772), (21, 14542640), (24, 12724810), (28, 10906980), (30, 10179848), (35, 8725584), (40, 7634886), (42, 7271320), (48, 6362405), (49, 6232560), (56, 5453490), (60, 5089924), (70, 4362792), (80, 3817443), (84, 3635660), (98, 3116280), (105, 2908528), (112, 2726745), (120, 2544962), (140, 2181396), (147, 2077520), (168, 1817830), (196, 1558140), (210, 1454264), (240, 1272481), (245, 1246512), (280, 1090698), (294, 1038760), (336, 908915), (392, 779070), (420, 727132), (490, 623256), (560, 545349), (588, 519380), (735, 415504), (784, 389535), (840, 363566), (980, 311628), (1176, 259690), (1470, 207752), (1680, 181783), (1960, 155814), (2352, 129845), (2940, 103876), (3920, 77907), (5880, 51938), (11760, 25969)]