78580740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 252887040

約数和(自身を除く): 174306300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 420, 446, 669, 839, 892, 1115, 1338, 1561, 1678, 2230, 2517, 2676, 3122, 3345, 3356, 4195, 4460, 4683, 5034, 5873, 6244, 6690, 7805, 8390, 9366, 10068, 11746, 12585, 13380, 15610, 16780, 17619, 18732, 23415, 23492, 25170, 29365, 31220, 35238, 46830, 50340, 58730, 70476, 88095, 93660, 117460, 176190, 187097, 352380, 374194, 561291, 748388, 935485, 1122582, 1309679, 1870970, 2245164, 2619358, 2806455, 3741940, 3929037, 5238716, 5612910, 6548395, 7858074, 11225820, 13096790, 15716148, 19645185, 26193580, 39290370, 78580740]

約数ペア:

[(1, 78580740), (2, 39290370), (3, 26193580), (4, 19645185), (5, 15716148), (6, 13096790), (7, 11225820), (10, 7858074), (12, 6548395), (14, 5612910), (15, 5238716), (20, 3929037), (21, 3741940), (28, 2806455), (30, 2619358), (35, 2245164), (42, 1870970), (60, 1309679), (70, 1122582), (84, 935485), (105, 748388), (140, 561291), (210, 374194), (223, 352380), (420, 187097), (446, 176190), (669, 117460), (839, 93660), (892, 88095), (1115, 70476), (1338, 58730), (1561, 50340), (1678, 46830), (2230, 35238), (2517, 31220), (2676, 29365), (3122, 25170), (3345, 23492), (3356, 23415), (4195, 18732), (4460, 17619), (4683, 16780), (5034, 15610), (5873, 13380), (6244, 12585), (6690, 11746), (7805, 10068), (8390, 9366)]