81173320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 200678400

約数和(自身を除く): 119505080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 127, 145, 152, 190, 232, 254, 290, 380, 508, 551, 580, 635, 760, 841, 1016, 1102, 1160, 1270, 1682, 2204, 2413, 2540, 2755, 3364, 3683, 4205, 4408, 4826, 5080, 5510, 6728, 7366, 8410, 9652, 11020, 12065, 14732, 15979, 16820, 18415, 19304, 22040, 24130, 29464, 31958, 33640, 36830, 48260, 63916, 69977, 73660, 79895, 96520, 106807, 127832, 139954, 147320, 159790, 213614, 279908, 319580, 349885, 427228, 534035, 559816, 639160, 699770, 854456, 1068070, 1399540, 2029333, 2136140, 2799080, 4058666, 4272280, 8117332, 10146665, 16234664, 20293330, 40586660, 81173320]

約数ペア:

[(1, 81173320), (2, 40586660), (4, 20293330), (5, 16234664), (8, 10146665), (10, 8117332), (19, 4272280), (20, 4058666), (29, 2799080), (38, 2136140), (40, 2029333), (58, 1399540), (76, 1068070), (95, 854456), (116, 699770), (127, 639160), (145, 559816), (152, 534035), (190, 427228), (232, 349885), (254, 319580), (290, 279908), (380, 213614), (508, 159790), (551, 147320), (580, 139954), (635, 127832), (760, 106807), (841, 96520), (1016, 79895), (1102, 73660), (1160, 69977), (1270, 63916), (1682, 48260), (2204, 36830), (2413, 33640), (2540, 31958), (2755, 29464), (3364, 24130), (3683, 22040), (4205, 19304), (4408, 18415), (4826, 16820), (5080, 15979), (5510, 14732), (6728, 12065), (7366, 11020), (8410, 9652)]