72242560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 196207200

約数和(自身を除く): 123964640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 457, 494, 520, 608, 640, 760, 832, 914, 988, 1040, 1216, 1235, 1520, 1664, 1828, 1976, 2080, 2285, 2432, 2470, 3040, 3656, 3952, 4160, 4570, 4940, 5941, 6080, 7312, 7904, 8320, 8683, 9140, 9880, 11882, 12160, 14624, 15808, 17366, 18280, 19760, 23764, 29248, 29705, 31616, 34732, 36560, 39520, 43415, 47528, 58496, 59410, 69464, 73120, 79040, 86830, 95056, 112879, 118820, 138928, 146240, 158080, 173660, 190112, 225758, 237640, 277856, 292480, 347320, 380224, 451516, 475280, 555712, 564395, 694640, 760448, 903032, 950560, 1111424, 1128790, 1389280, 1806064, 1901120, 2257580, 2778560, 3612128, 3802240, 4515160, 5557120, 7224256, 9030320, 14448512, 18060640, 36121280, 72242560]

約数ペア:

[(1, 72242560), (2, 36121280), (4, 18060640), (5, 14448512), (8, 9030320), (10, 7224256), (13, 5557120), (16, 4515160), (19, 3802240), (20, 3612128), (26, 2778560), (32, 2257580), (38, 1901120), (40, 1806064), (52, 1389280), (64, 1128790), (65, 1111424), (76, 950560), (80, 903032), (95, 760448), (104, 694640), (128, 564395), (130, 555712), (152, 475280), (160, 451516), (190, 380224), (208, 347320), (247, 292480), (260, 277856), (304, 237640), (320, 225758), (380, 190112), (416, 173660), (457, 158080), (494, 146240), (520, 138928), (608, 118820), (640, 112879), (760, 95056), (832, 86830), (914, 79040), (988, 73120), (1040, 69464), (1216, 59410), (1235, 58496), (1520, 47528), (1664, 43415), (1828, 39520), (1976, 36560), (2080, 34732), (2285, 31616), (2432, 29705), (2470, 29248), (3040, 23764), (3656, 19760), (3952, 18280), (4160, 17366), (4570, 15808), (4940, 14624), (5941, 12160), (6080, 11882), (7312, 9880), (7904, 9140), (8320, 8683)]