2918240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 7874496

約数和(自身を除く): 4956256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 61, 65, 80, 92, 104, 115, 122, 130, 160, 184, 208, 230, 244, 260, 299, 305, 368, 416, 460, 488, 520, 598, 610, 736, 793, 920, 976, 1040, 1196, 1220, 1403, 1495, 1586, 1840, 1952, 2080, 2392, 2440, 2806, 2990, 3172, 3680, 3965, 4784, 4880, 5612, 5980, 6344, 7015, 7930, 9568, 9760, 11224, 11960, 12688, 14030, 15860, 18239, 22448, 23920, 25376, 28060, 31720, 36478, 44896, 47840, 56120, 63440, 72956, 91195, 112240, 126880, 145912, 182390, 224480, 291824, 364780, 583648, 729560, 1459120, 2918240]

約数ペア:

[(1, 2918240), (2, 1459120), (4, 729560), (5, 583648), (8, 364780), (10, 291824), (13, 224480), (16, 182390), (20, 145912), (23, 126880), (26, 112240), (32, 91195), (40, 72956), (46, 63440), (52, 56120), (61, 47840), (65, 44896), (80, 36478), (92, 31720), (104, 28060), (115, 25376), (122, 23920), (130, 22448), (160, 18239), (184, 15860), (208, 14030), (230, 12688), (244, 11960), (260, 11224), (299, 9760), (305, 9568), (368, 7930), (416, 7015), (460, 6344), (488, 5980), (520, 5612), (598, 4880), (610, 4784), (736, 3965), (793, 3680), (920, 3172), (976, 2990), (1040, 2806), (1196, 2440), (1220, 2392), (1403, 2080), (1495, 1952), (1586, 1840)]