315019520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 826495488

約数和(自身を除く): 511475968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 467, 496, 527, 544, 620, 640, 680, 934, 992, 1054, 1088, 1240, 1280, 1360, 1868, 1984, 2108, 2176, 2335, 2480, 2635, 2720, 3736, 3968, 4216, 4352, 4670, 4960, 5270, 5440, 7472, 7936, 7939, 8432, 9340, 9920, 10540, 10880, 14477, 14944, 15878, 16864, 18680, 19840, 21080, 21760, 28954, 29888, 31756, 33728, 37360, 39680, 39695, 42160, 57908, 59776, 63512, 67456, 72385, 74720, 79390, 84320, 115816, 119552, 127024, 134912, 144770, 149440, 158780, 168640, 231632, 246109, 254048, 289540, 298880, 317560, 337280, 463264, 492218, 508096, 579080, 597760, 635120, 674560, 926528, 984436, 1016192, 1158160, 1230545, 1270240, 1853056, 1968872, 2032384, 2316320, 2461090, 2540480, 3706112, 3937744, 4632640, 4922180, 5080960, 7875488, 9265280, 9844360, 10161920, 15750976, 18530560, 19688720, 31501952, 39377440, 63003904, 78754880, 157509760, 315019520]

約数ペア:

[(1, 315019520), (2, 157509760), (4, 78754880), (5, 63003904), (8, 39377440), (10, 31501952), (16, 19688720), (17, 18530560), (20, 15750976), (31, 10161920), (32, 9844360), (34, 9265280), (40, 7875488), (62, 5080960), (64, 4922180), (68, 4632640), (80, 3937744), (85, 3706112), (124, 2540480), (128, 2461090), (136, 2316320), (155, 2032384), (160, 1968872), (170, 1853056), (248, 1270240), (256, 1230545), (272, 1158160), (310, 1016192), (320, 984436), (340, 926528), (467, 674560), (496, 635120), (527, 597760), (544, 579080), (620, 508096), (640, 492218), (680, 463264), (934, 337280), (992, 317560), (1054, 298880), (1088, 289540), (1240, 254048), (1280, 246109), (1360, 231632), (1868, 168640), (1984, 158780), (2108, 149440), (2176, 144770), (2335, 134912), (2480, 127024), (2635, 119552), (2720, 115816), (3736, 84320), (3968, 79390), (4216, 74720), (4352, 72385), (4670, 67456), (4960, 63512), (5270, 59776), (5440, 57908), (7472, 42160), (7936, 39695), (7939, 39680), (8432, 37360), (9340, 33728), (9920, 31756), (10540, 29888), (10880, 28954), (14477, 21760), (14944, 21080), (15878, 19840), (16864, 18680)]