72008144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 157198272

約数和(自身を除く): 85190128

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 83, 86, 97, 104, 166, 172, 194, 208, 332, 344, 388, 559, 664, 688, 776, 1079, 1118, 1261, 1328, 1552, 2158, 2236, 2522, 3569, 4171, 4316, 4472, 5044, 7138, 8051, 8342, 8632, 8944, 10088, 14276, 16102, 16684, 17264, 20176, 28552, 32204, 33368, 46397, 54223, 57104, 64408, 66736, 92794, 104663, 108446, 128816, 185588, 209326, 216892, 346193, 371176, 418652, 433784, 692386, 742352, 837304, 867568, 1384772, 1674608, 2769544, 4500509, 5539088, 9001018, 18002036, 36004072, 72008144]

約数ペア:

[(1, 72008144), (2, 36004072), (4, 18002036), (8, 9001018), (13, 5539088), (16, 4500509), (26, 2769544), (43, 1674608), (52, 1384772), (83, 867568), (86, 837304), (97, 742352), (104, 692386), (166, 433784), (172, 418652), (194, 371176), (208, 346193), (332, 216892), (344, 209326), (388, 185588), (559, 128816), (664, 108446), (688, 104663), (776, 92794), (1079, 66736), (1118, 64408), (1261, 57104), (1328, 54223), (1552, 46397), (2158, 33368), (2236, 32204), (2522, 28552), (3569, 20176), (4171, 17264), (4316, 16684), (4472, 16102), (5044, 14276), (7138, 10088), (8051, 8944), (8342, 8632)]