81832940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 204288000

約数和(自身を除く): 122455060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 151, 158, 196, 245, 302, 316, 343, 395, 490, 553, 604, 686, 755, 790, 980, 1057, 1106, 1372, 1510, 1580, 1715, 2114, 2212, 2765, 3020, 3430, 3871, 4228, 5285, 5530, 6860, 7399, 7742, 10570, 11060, 11929, 14798, 15484, 19355, 21140, 23858, 27097, 29596, 36995, 38710, 47716, 51793, 54194, 59645, 73990, 77420, 83503, 103586, 108388, 119290, 135485, 147980, 167006, 207172, 238580, 258965, 270970, 334012, 417515, 517930, 541940, 584521, 835030, 1035860, 1169042, 1670060, 2338084, 2922605, 4091647, 5845210, 8183294, 11690420, 16366588, 20458235, 40916470, 81832940]

約数ペア:

[(1, 81832940), (2, 40916470), (4, 20458235), (5, 16366588), (7, 11690420), (10, 8183294), (14, 5845210), (20, 4091647), (28, 2922605), (35, 2338084), (49, 1670060), (70, 1169042), (79, 1035860), (98, 835030), (140, 584521), (151, 541940), (158, 517930), (196, 417515), (245, 334012), (302, 270970), (316, 258965), (343, 238580), (395, 207172), (490, 167006), (553, 147980), (604, 135485), (686, 119290), (755, 108388), (790, 103586), (980, 83503), (1057, 77420), (1106, 73990), (1372, 59645), (1510, 54194), (1580, 51793), (1715, 47716), (2114, 38710), (2212, 36995), (2765, 29596), (3020, 27097), (3430, 23858), (3871, 21140), (4228, 19355), (5285, 15484), (5530, 14798), (6860, 11929), (7399, 11060), (7742, 10570)]