77968620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 253955520

約数和(自身を除く): 175986900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 509, 555, 666, 690, 740, 828, 851, 1018, 1035, 1110, 1332, 1380, 1527, 1665, 1702, 2036, 2070, 2220, 2545, 2553, 3054, 3330, 3404, 4140, 4255, 4581, 5090, 5106, 6108, 6660, 7635, 7659, 8510, 9162, 10180, 10212, 11707, 12765, 15270, 15318, 17020, 18324, 18833, 22905, 23414, 25530, 30540, 30636, 35121, 37666, 38295, 45810, 46828, 51060, 56499, 58535, 70242, 75332, 76590, 91620, 94165, 105363, 112998, 117070, 140484, 153180, 169497, 175605, 188330, 210726, 225996, 234140, 282495, 338994, 351210, 376660, 421452, 433159, 526815, 564990, 677988, 702420, 847485, 866318, 1053630, 1129980, 1299477, 1694970, 1732636, 2107260, 2165795, 2598954, 3389940, 3898431, 4331590, 5197908, 6497385, 7796862, 8663180, 12994770, 15593724, 19492155, 25989540, 38984310, 77968620]

約数ペア:

[(1, 77968620), (2, 38984310), (3, 25989540), (4, 19492155), (5, 15593724), (6, 12994770), (9, 8663180), (10, 7796862), (12, 6497385), (15, 5197908), (18, 4331590), (20, 3898431), (23, 3389940), (30, 2598954), (36, 2165795), (37, 2107260), (45, 1732636), (46, 1694970), (60, 1299477), (69, 1129980), (74, 1053630), (90, 866318), (92, 847485), (111, 702420), (115, 677988), (138, 564990), (148, 526815), (180, 433159), (185, 421452), (207, 376660), (222, 351210), (230, 338994), (276, 282495), (333, 234140), (345, 225996), (370, 210726), (414, 188330), (444, 175605), (460, 169497), (509, 153180), (555, 140484), (666, 117070), (690, 112998), (740, 105363), (828, 94165), (851, 91620), (1018, 76590), (1035, 75332), (1110, 70242), (1332, 58535), (1380, 56499), (1527, 51060), (1665, 46828), (1702, 45810), (2036, 38295), (2070, 37666), (2220, 35121), (2545, 30636), (2553, 30540), (3054, 25530), (3330, 23414), (3404, 22905), (4140, 18833), (4255, 18324), (4581, 17020), (5090, 15318), (5106, 15270), (6108, 12765), (6660, 11707), (7635, 10212), (7659, 10180), (8510, 9162)]