318461541760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{30809}}^1$

素因数の和:31380

約数の個数: 128

約数和(自身を含む): 787414867200

約数和(自身を除く): 468953325440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 521, 620, 640, 992, 1042, 1240, 1984, 2084, 2480, 2605, 3968, 4168, 4960, 5210, 8336, 9920, 10420, 16151, 16672, 19840, 20840, 30809, 32302, 33344, 41680, 61618, 64604, 66688, 80755, 83360, 123236, 129208, 154045, 161510, 166720, 246472, 258416, 308090, 323020, 333440, 492944, 516832, 616180, 646040, 955079, 985888, 1033664, 1232360, 1292080, 1910158, 1971776, 2067328, 2464720, 2584160, 3820316, 3943552, 4775395, 4929440, 5168320, 7640632, 9550790, 9858880, 10336640, 15281264, 16051489, 19101580, 19717760, 30562528, 32102978, 38203160, 61125056, 64205956, 76406320, 80257445, 122250112, 128411912, 152812640, 160514890, 256823824, 305625280, 321029780, 497596159, 513647648, 611250560, 642059560, 995192318, 1027295296, 1284119120, 1990384636, 2054590592, 2487980795, 2568238240, 3980769272, 4975961590, 5136476480, 7961538544, 9951923180, 10272952960, 15923077088, 19903846360, 31846154176, 39807692720, 63692308352, 79615385440, 159230770880, 318461541760]

約数ペア:

[(1, 318461541760), (2, 159230770880), (4, 79615385440), (5, 63692308352), (8, 39807692720), (10, 31846154176), (16, 19903846360), (20, 15923077088), (31, 10272952960), (32, 9951923180), (40, 7961538544), (62, 5136476480), (64, 4975961590), (80, 3980769272), (124, 2568238240), (128, 2487980795), (155, 2054590592), (160, 1990384636), (248, 1284119120), (310, 1027295296), (320, 995192318), (496, 642059560), (521, 611250560), (620, 513647648), (640, 497596159), (992, 321029780), (1042, 305625280), (1240, 256823824), (1984, 160514890), (2084, 152812640), (2480, 128411912), (2605, 122250112), (3968, 80257445), (4168, 76406320), (4960, 64205956), (5210, 61125056), (8336, 38203160), (9920, 32102978), (10420, 30562528), (16151, 19717760), (16672, 19101580), (19840, 16051489), (20840, 15281264), (30809, 10336640), (32302, 9858880), (33344, 9550790), (41680, 7640632), (61618, 5168320), (64604, 4929440), (66688, 4775395), (80755, 3943552), (83360, 3820316), (123236, 2584160), (129208, 2464720), (154045, 2067328), (161510, 1971776), (166720, 1910158), (246472, 1292080), (258416, 1232360), (308090, 1033664), (323020, 985888), (333440, 955079), (492944, 646040), (516832, 616180)]