78465640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1181}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 194037120

約数和(自身を除く): 115571480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1181, 1208, 1510, 1661, 2362, 3020, 3322, 4724, 5905, 6040, 6644, 8305, 9448, 11810, 12991, 13288, 16610, 23620, 25982, 33220, 47240, 51964, 64955, 66440, 103928, 129910, 178331, 259820, 356662, 519640, 713324, 891655, 1426648, 1783310, 1961641, 3566620, 3923282, 7133240, 7846564, 9808205, 15693128, 19616410, 39232820, 78465640]

約数ペア:

[(1, 78465640), (2, 39232820), (4, 19616410), (5, 15693128), (8, 9808205), (10, 7846564), (11, 7133240), (20, 3923282), (22, 3566620), (40, 1961641), (44, 1783310), (55, 1426648), (88, 891655), (110, 713324), (151, 519640), (220, 356662), (302, 259820), (440, 178331), (604, 129910), (755, 103928), (1181, 66440), (1208, 64955), (1510, 51964), (1661, 47240), (2362, 33220), (3020, 25982), (3322, 23620), (4724, 16610), (5905, 13288), (6040, 12991), (6644, 11810), (8305, 9448)]