81657744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12791}}^1$

素因数の和:12828

約数の個数: 80

約数和(自身を含む): 253793280

約数和(自身を除く): 172135536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 12791, 25582, 38373, 51164, 76746, 89537, 102328, 153492, 179074, 204656, 243029, 268611, 306984, 358148, 486058, 537222, 613968, 716296, 729087, 972116, 1074444, 1432592, 1458174, 1701203, 1944232, 2148888, 2916348, 3402406, 3888464, 4297776, 5103609, 5832696, 6804812, 10207218, 11665392, 13609624, 20414436, 27219248, 40828872, 81657744]

約数ペア:

[(1, 81657744), (2, 40828872), (3, 27219248), (4, 20414436), (6, 13609624), (7, 11665392), (8, 10207218), (12, 6804812), (14, 5832696), (16, 5103609), (19, 4297776), (21, 3888464), (24, 3402406), (28, 2916348), (38, 2148888), (42, 1944232), (48, 1701203), (56, 1458174), (57, 1432592), (76, 1074444), (84, 972116), (112, 729087), (114, 716296), (133, 613968), (152, 537222), (168, 486058), (228, 358148), (266, 306984), (304, 268611), (336, 243029), (399, 204656), (456, 179074), (532, 153492), (798, 102328), (912, 89537), (1064, 76746), (1596, 51164), (2128, 38373), (3192, 25582), (6384, 12791)]