1280795776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2446

約数の個数: 128

約数和(自身を含む): 3063916800

約数和(自身を除く): 1783121024

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 128, 136, 152, 208, 221, 247, 272, 304, 323, 416, 442, 494, 544, 608, 646, 832, 884, 988, 1088, 1216, 1292, 1664, 1768, 1976, 2176, 2383, 2432, 2584, 3536, 3952, 4199, 4766, 5168, 7072, 7904, 8398, 9532, 10336, 14144, 15808, 16796, 19064, 20672, 28288, 30979, 31616, 33592, 38128, 40511, 41344, 45277, 61958, 67184, 76256, 81022, 90554, 123916, 134368, 152512, 162044, 181108, 247832, 268736, 305024, 324088, 362216, 495664, 526643, 537472, 588601, 648176, 724432, 769709, 991328, 1053286, 1177202, 1296352, 1448864, 1539418, 1982656, 2106572, 2354404, 2592704, 2897728, 3078836, 3965312, 4213144, 4708808, 5185408, 5795456, 6157672, 8426288, 9417616, 10006217, 12315344, 16852576, 18835232, 20012434, 24630688, 33705152, 37670464, 40024868, 49261376, 67410304, 75340928, 80049736, 98522752, 160099472, 320198944, 640397888, 1280795776]

約数ペア:

[(1, 1280795776), (2, 640397888), (4, 320198944), (8, 160099472), (13, 98522752), (16, 80049736), (17, 75340928), (19, 67410304), (26, 49261376), (32, 40024868), (34, 37670464), (38, 33705152), (52, 24630688), (64, 20012434), (68, 18835232), (76, 16852576), (104, 12315344), (128, 10006217), (136, 9417616), (152, 8426288), (208, 6157672), (221, 5795456), (247, 5185408), (272, 4708808), (304, 4213144), (323, 3965312), (416, 3078836), (442, 2897728), (494, 2592704), (544, 2354404), (608, 2106572), (646, 1982656), (832, 1539418), (884, 1448864), (988, 1296352), (1088, 1177202), (1216, 1053286), (1292, 991328), (1664, 769709), (1768, 724432), (1976, 648176), (2176, 588601), (2383, 537472), (2432, 526643), (2584, 495664), (3536, 362216), (3952, 324088), (4199, 305024), (4766, 268736), (5168, 247832), (7072, 181108), (7904, 162044), (8398, 152512), (9532, 134368), (10336, 123916), (14144, 90554), (15808, 81022), (16796, 76256), (19064, 67184), (20672, 61958), (28288, 45277), (30979, 41344), (31616, 40511), (33592, 38128)]