81851280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 293981184

約数和(自身を除く): 212129904

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, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 560, 581, 587, 664, 830, 840, 996, 1162, 1174, 1245, 1328, 1660, 1680, 1743, 1761, 1992, 2324, 2348, 2490, 2905, 2935, 3320, 3486, 3522, 3984, 4109, 4648, 4696, 4980, 5810, 5870, 6640, 6972, 7044, 8218, 8715, 8805, 9296, 9392, 9960, 11620, 11740, 12327, 13944, 14088, 16436, 17430, 17610, 19920, 20545, 23240, 23480, 24654, 27888, 28176, 32872, 34860, 35220, 41090, 46480, 46960, 48721, 49308, 61635, 65744, 69720, 70440, 82180, 97442, 98616, 123270, 139440, 140880, 146163, 164360, 194884, 197232, 243605, 246540, 292326, 328720, 341047, 389768, 487210, 493080, 584652, 682094, 730815, 779536, 974420, 986160, 1023141, 1169304, 1364188, 1461630, 1705235, 1948840, 2046282, 2338608, 2728376, 2923260, 3410470, 3897680, 4092564, 5115705, 5456752, 5846520, 6820940, 8185128, 10231410, 11693040, 13641880, 16370256, 20462820, 27283760, 40925640, 81851280]

約数ペア:

[(1, 81851280), (2, 40925640), (3, 27283760), (4, 20462820), (5, 16370256), (6, 13641880), (7, 11693040), (8, 10231410), (10, 8185128), (12, 6820940), (14, 5846520), (15, 5456752), (16, 5115705), (20, 4092564), (21, 3897680), (24, 3410470), (28, 2923260), (30, 2728376), (35, 2338608), (40, 2046282), (42, 1948840), (48, 1705235), (56, 1461630), (60, 1364188), (70, 1169304), (80, 1023141), (83, 986160), (84, 974420), (105, 779536), (112, 730815), (120, 682094), (140, 584652), (166, 493080), (168, 487210), (210, 389768), (240, 341047), (249, 328720), (280, 292326), (332, 246540), (336, 243605), (415, 197232), (420, 194884), (498, 164360), (560, 146163), (581, 140880), (587, 139440), (664, 123270), (830, 98616), (840, 97442), (996, 82180), (1162, 70440), (1174, 69720), (1245, 65744), (1328, 61635), (1660, 49308), (1680, 48721), (1743, 46960), (1761, 46480), (1992, 41090), (2324, 35220), (2348, 34860), (2490, 32872), (2905, 28176), (2935, 27888), (3320, 24654), (3486, 23480), (3522, 23240), (3984, 20545), (4109, 19920), (4648, 17610), (4696, 17430), (4980, 16436), (5810, 14088), (5870, 13944), (6640, 12327), (6972, 11740), (7044, 11620), (8218, 9960), (8715, 9392), (8805, 9296)]