787968870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:954

約数の個数: 128

約数和(自身を含む): 2172998016

約数和(自身を除く): 1385029146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 157, 170, 195, 221, 255, 314, 390, 442, 471, 510, 663, 757, 785, 942, 1105, 1326, 1514, 1570, 2041, 2210, 2271, 2355, 2669, 3315, 3785, 4082, 4542, 4710, 5338, 6123, 6630, 7570, 8007, 9841, 10205, 11355, 12246, 12869, 13345, 16014, 19682, 20410, 22710, 25738, 26690, 29523, 30615, 34697, 38607, 40035, 49205, 59046, 61230, 64345, 69394, 77214, 80070, 98410, 104091, 118849, 128690, 147615, 167297, 173485, 193035, 208182, 237698, 295230, 334594, 346970, 356547, 386070, 501891, 520455, 594245, 713094, 836485, 1003782, 1040910, 1188490, 1545037, 1672970, 1782735, 2020433, 2509455, 3090074, 3565470, 4040866, 4635111, 5018910, 6061299, 7725185, 9270222, 10102165, 12122598, 15450370, 20204330, 23175555, 26265629, 30306495, 46351110, 52531258, 60612990, 78796887, 131328145, 157593774, 262656290, 393984435, 787968870]

約数ペア:

[(1, 787968870), (2, 393984435), (3, 262656290), (5, 157593774), (6, 131328145), (10, 78796887), (13, 60612990), (15, 52531258), (17, 46351110), (26, 30306495), (30, 26265629), (34, 23175555), (39, 20204330), (51, 15450370), (65, 12122598), (78, 10102165), (85, 9270222), (102, 7725185), (130, 6061299), (157, 5018910), (170, 4635111), (195, 4040866), (221, 3565470), (255, 3090074), (314, 2509455), (390, 2020433), (442, 1782735), (471, 1672970), (510, 1545037), (663, 1188490), (757, 1040910), (785, 1003782), (942, 836485), (1105, 713094), (1326, 594245), (1514, 520455), (1570, 501891), (2041, 386070), (2210, 356547), (2271, 346970), (2355, 334594), (2669, 295230), (3315, 237698), (3785, 208182), (4082, 193035), (4542, 173485), (4710, 167297), (5338, 147615), (6123, 128690), (6630, 118849), (7570, 104091), (8007, 98410), (9841, 80070), (10205, 77214), (11355, 69394), (12246, 64345), (12869, 61230), (13345, 59046), (16014, 49205), (19682, 40035), (20410, 38607), (22710, 34697), (25738, 30615), (26690, 29523)]