79641660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 262918656

約数和(自身を除く): 183276996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 263, 294, 309, 412, 420, 490, 515, 526, 588, 618, 721, 735, 789, 980, 1030, 1052, 1236, 1315, 1442, 1470, 1545, 1578, 1841, 2060, 2163, 2630, 2884, 2940, 3090, 3156, 3605, 3682, 3945, 4326, 5047, 5260, 5523, 6180, 7210, 7364, 7890, 8652, 9205, 10094, 10815, 11046, 12887, 14420, 15141, 15780, 18410, 20188, 21630, 22092, 25235, 25774, 27089, 27615, 30282, 36820, 38661, 43260, 50470, 51548, 54178, 55230, 60564, 64435, 75705, 77322, 81267, 100940, 108356, 110460, 128870, 135445, 151410, 154644, 162534, 189623, 193305, 257740, 270890, 302820, 325068, 379246, 386610, 406335, 541780, 568869, 758492, 773220, 812670, 948115, 1137738, 1327361, 1625340, 1896230, 2275476, 2654722, 2844345, 3792460, 3982083, 5309444, 5688690, 6636805, 7964166, 11377380, 13273610, 15928332, 19910415, 26547220, 39820830, 79641660]

約数ペア:

[(1, 79641660), (2, 39820830), (3, 26547220), (4, 19910415), (5, 15928332), (6, 13273610), (7, 11377380), (10, 7964166), (12, 6636805), (14, 5688690), (15, 5309444), (20, 3982083), (21, 3792460), (28, 2844345), (30, 2654722), (35, 2275476), (42, 1896230), (49, 1625340), (60, 1327361), (70, 1137738), (84, 948115), (98, 812670), (103, 773220), (105, 758492), (140, 568869), (147, 541780), (196, 406335), (206, 386610), (210, 379246), (245, 325068), (263, 302820), (294, 270890), (309, 257740), (412, 193305), (420, 189623), (490, 162534), (515, 154644), (526, 151410), (588, 135445), (618, 128870), (721, 110460), (735, 108356), (789, 100940), (980, 81267), (1030, 77322), (1052, 75705), (1236, 64435), (1315, 60564), (1442, 55230), (1470, 54178), (1545, 51548), (1578, 50470), (1841, 43260), (2060, 38661), (2163, 36820), (2630, 30282), (2884, 27615), (2940, 27089), (3090, 25774), (3156, 25235), (3605, 22092), (3682, 21630), (3945, 20188), (4326, 18410), (5047, 15780), (5260, 15141), (5523, 14420), (6180, 12887), (7210, 11046), (7364, 10815), (7890, 10094), (8652, 9205)]