315924856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2720

約数の個数: 64

約数和(自身を含む): 682768800

約数和(自身を除く): 366843944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1976, 2318, 2621, 3172, 4636, 5242, 6344, 9272, 10484, 15067, 20968, 30134, 34073, 49799, 60268, 68146, 99598, 120536, 136292, 159881, 199196, 272584, 319762, 398392, 639524, 647387, 1279048, 1294774, 2078453, 2589548, 3037739, 4156906, 5179096, 6075478, 8313812, 12150956, 16627624, 24301912, 39490607, 78981214, 157962428, 315924856]

約数ペア:

[(1, 315924856), (2, 157962428), (4, 78981214), (8, 39490607), (13, 24301912), (19, 16627624), (26, 12150956), (38, 8313812), (52, 6075478), (61, 5179096), (76, 4156906), (104, 3037739), (122, 2589548), (152, 2078453), (244, 1294774), (247, 1279048), (488, 647387), (494, 639524), (793, 398392), (988, 319762), (1159, 272584), (1586, 199196), (1976, 159881), (2318, 136292), (2621, 120536), (3172, 99598), (4636, 68146), (5242, 60268), (6344, 49799), (9272, 34073), (10484, 30134), (15067, 20968)]