64369640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 162846720

約数和(自身を除く): 98477080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 61, 62, 74, 92, 115, 122, 124, 148, 155, 184, 185, 230, 244, 248, 296, 305, 310, 370, 460, 488, 610, 620, 713, 740, 851, 920, 1147, 1220, 1240, 1403, 1426, 1480, 1702, 1891, 2257, 2294, 2440, 2806, 2852, 3404, 3565, 3782, 4255, 4514, 4588, 5612, 5704, 5735, 6808, 7015, 7130, 7564, 8510, 9028, 9176, 9455, 11224, 11285, 11470, 14030, 14260, 15128, 17020, 18056, 18910, 22570, 22940, 26381, 28060, 28520, 34040, 37820, 43493, 45140, 45880, 51911, 52762, 56120, 69967, 75640, 86986, 90280, 103822, 105524, 131905, 139934, 173972, 207644, 211048, 217465, 259555, 263810, 279868, 347944, 349835, 415288, 434930, 519110, 527620, 559736, 699670, 869860, 1038220, 1055240, 1399340, 1609241, 1739720, 2076440, 2798680, 3218482, 6436964, 8046205, 12873928, 16092410, 32184820, 64369640]

約数ペア:

[(1, 64369640), (2, 32184820), (4, 16092410), (5, 12873928), (8, 8046205), (10, 6436964), (20, 3218482), (23, 2798680), (31, 2076440), (37, 1739720), (40, 1609241), (46, 1399340), (61, 1055240), (62, 1038220), (74, 869860), (92, 699670), (115, 559736), (122, 527620), (124, 519110), (148, 434930), (155, 415288), (184, 349835), (185, 347944), (230, 279868), (244, 263810), (248, 259555), (296, 217465), (305, 211048), (310, 207644), (370, 173972), (460, 139934), (488, 131905), (610, 105524), (620, 103822), (713, 90280), (740, 86986), (851, 75640), (920, 69967), (1147, 56120), (1220, 52762), (1240, 51911), (1403, 45880), (1426, 45140), (1480, 43493), (1702, 37820), (1891, 34040), (2257, 28520), (2294, 28060), (2440, 26381), (2806, 22940), (2852, 22570), (3404, 18910), (3565, 18056), (3782, 17020), (4255, 15128), (4514, 14260), (4588, 14030), (5612, 11470), (5704, 11285), (5735, 11224), (6808, 9455), (7015, 9176), (7130, 9028), (7564, 8510)]