77704120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 123694280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 73, 89, 92, 104, 115, 130, 146, 178, 184, 230, 260, 292, 299, 356, 365, 445, 460, 520, 584, 598, 712, 730, 890, 920, 949, 1157, 1196, 1460, 1495, 1679, 1780, 1898, 2047, 2314, 2392, 2920, 2990, 3358, 3560, 3796, 4094, 4628, 4745, 5785, 5980, 6497, 6716, 7592, 8188, 8395, 9256, 9490, 10235, 11570, 11960, 12994, 13432, 16376, 16790, 18980, 20470, 21827, 23140, 25988, 26611, 32485, 33580, 37960, 40940, 43654, 46280, 51976, 53222, 64970, 67160, 81880, 84461, 87308, 106444, 109135, 129940, 133055, 149431, 168922, 174616, 212888, 218270, 259880, 266110, 298862, 337844, 422305, 436540, 532220, 597724, 675688, 747155, 844610, 873080, 1064440, 1195448, 1494310, 1689220, 1942603, 2988620, 3378440, 3885206, 5977240, 7770412, 9713015, 15540824, 19426030, 38852060, 77704120]

約数ペア:

[(1, 77704120), (2, 38852060), (4, 19426030), (5, 15540824), (8, 9713015), (10, 7770412), (13, 5977240), (20, 3885206), (23, 3378440), (26, 2988620), (40, 1942603), (46, 1689220), (52, 1494310), (65, 1195448), (73, 1064440), (89, 873080), (92, 844610), (104, 747155), (115, 675688), (130, 597724), (146, 532220), (178, 436540), (184, 422305), (230, 337844), (260, 298862), (292, 266110), (299, 259880), (356, 218270), (365, 212888), (445, 174616), (460, 168922), (520, 149431), (584, 133055), (598, 129940), (712, 109135), (730, 106444), (890, 87308), (920, 84461), (949, 81880), (1157, 67160), (1196, 64970), (1460, 53222), (1495, 51976), (1679, 46280), (1780, 43654), (1898, 40940), (2047, 37960), (2314, 33580), (2392, 32485), (2920, 26611), (2990, 25988), (3358, 23140), (3560, 21827), (3796, 20470), (4094, 18980), (4628, 16790), (4745, 16376), (5785, 13432), (5980, 12994), (6497, 11960), (6716, 11570), (7592, 10235), (8188, 9490), (8395, 9256)]