68427664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 147847680

約数和(自身を除く): 79420016

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 53, 62, 76, 106, 124, 137, 152, 212, 248, 274, 304, 424, 496, 548, 589, 848, 1007, 1096, 1178, 1643, 2014, 2192, 2356, 2603, 3286, 4028, 4247, 4712, 5206, 6572, 7261, 8056, 8494, 9424, 10412, 13144, 14522, 16112, 16988, 20824, 26288, 29044, 31217, 33976, 41648, 58088, 62434, 67952, 80693, 116176, 124868, 137959, 161386, 225091, 249736, 275918, 322772, 450182, 499472, 551836, 645544, 900364, 1103672, 1291088, 1800728, 2207344, 3601456, 4276729, 8553458, 17106916, 34213832, 68427664]

約数ペア:

[(1, 68427664), (2, 34213832), (4, 17106916), (8, 8553458), (16, 4276729), (19, 3601456), (31, 2207344), (38, 1800728), (53, 1291088), (62, 1103672), (76, 900364), (106, 645544), (124, 551836), (137, 499472), (152, 450182), (212, 322772), (248, 275918), (274, 249736), (304, 225091), (424, 161386), (496, 137959), (548, 124868), (589, 116176), (848, 80693), (1007, 67952), (1096, 62434), (1178, 58088), (1643, 41648), (2014, 33976), (2192, 31217), (2356, 29044), (2603, 26288), (3286, 20824), (4028, 16988), (4247, 16112), (4712, 14522), (5206, 13144), (6572, 10412), (7261, 9424), (8056, 8494)]