78646080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 224

約数和(自身を含む): 272125440

約数和(自身を除く): 193479360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 64, 68, 79, 80, 85, 96, 102, 120, 122, 136, 158, 160, 170, 183, 192, 204, 237, 240, 244, 255, 272, 305, 316, 320, 340, 366, 395, 408, 474, 480, 488, 510, 544, 610, 632, 680, 732, 790, 816, 915, 948, 960, 976, 1020, 1037, 1088, 1185, 1220, 1264, 1343, 1360, 1464, 1580, 1632, 1830, 1896, 1952, 2040, 2074, 2370, 2440, 2528, 2686, 2720, 2928, 3111, 3160, 3264, 3660, 3792, 3904, 4029, 4080, 4148, 4740, 4819, 4880, 5056, 5185, 5372, 5440, 5856, 6222, 6320, 6715, 7320, 7584, 8058, 8160, 8296, 9480, 9638, 9760, 10370, 10744, 11712, 12444, 12640, 13430, 14457, 14640, 15168, 15555, 16116, 16320, 16592, 18960, 19276, 19520, 20145, 20740, 21488, 24095, 24888, 25280, 26860, 28914, 29280, 31110, 32232, 33184, 37920, 38552, 40290, 41480, 42976, 48190, 49776, 53720, 57828, 58560, 62220, 64464, 66368, 72285, 75840, 77104, 80580, 81923, 82960, 85952, 96380, 99552, 107440, 115656, 124440, 128928, 144570, 154208, 161160, 163846, 165920, 192760, 199104, 214880, 231312, 245769, 248880, 257856, 289140, 308416, 322320, 327692, 331840, 385520, 409615, 429760, 462624, 491538, 497760, 578280, 644640, 655384, 771040, 819230, 925248, 983076, 995520, 1156560, 1228845, 1289280, 1310768, 1542080, 1638460, 1966152, 2313120, 2457690, 2621536, 3276920, 3932304, 4626240, 4915380, 5243072, 6553840, 7864608, 9830760, 13107680, 15729216, 19661520, 26215360, 39323040, 78646080]

約数ペア:

[(1, 78646080), (2, 39323040), (3, 26215360), (4, 19661520), (5, 15729216), (6, 13107680), (8, 9830760), (10, 7864608), (12, 6553840), (15, 5243072), (16, 4915380), (17, 4626240), (20, 3932304), (24, 3276920), (30, 2621536), (32, 2457690), (34, 2313120), (40, 1966152), (48, 1638460), (51, 1542080), (60, 1310768), (61, 1289280), (64, 1228845), (68, 1156560), (79, 995520), (80, 983076), (85, 925248), (96, 819230), (102, 771040), (120, 655384), (122, 644640), (136, 578280), (158, 497760), (160, 491538), (170, 462624), (183, 429760), (192, 409615), (204, 385520), (237, 331840), (240, 327692), (244, 322320), (255, 308416), (272, 289140), (305, 257856), (316, 248880), (320, 245769), (340, 231312), (366, 214880), (395, 199104), (408, 192760), (474, 165920), (480, 163846), (488, 161160), (510, 154208), (544, 144570), (610, 128928), (632, 124440), (680, 115656), (732, 107440), (790, 99552), (816, 96380), (915, 85952), (948, 82960), (960, 81923), (976, 80580), (1020, 77104), (1037, 75840), (1088, 72285), (1185, 66368), (1220, 64464), (1264, 62220), (1343, 58560), (1360, 57828), (1464, 53720), (1580, 49776), (1632, 48190), (1830, 42976), (1896, 41480), (1952, 40290), (2040, 38552), (2074, 37920), (2370, 33184), (2440, 32232), (2528, 31110), (2686, 29280), (2720, 28914), (2928, 26860), (3111, 25280), (3160, 24888), (3264, 24095), (3660, 21488), (3792, 20740), (3904, 20145), (4029, 19520), (4080, 19276), (4148, 18960), (4740, 16592), (4819, 16320), (4880, 16116), (5056, 15555), (5185, 15168), (5372, 14640), (5440, 14457), (5856, 13430), (6222, 12640), (6320, 12444), (6715, 11712), (7320, 10744), (7584, 10370), (8058, 9760), (8160, 9638), (8296, 9480)]