123549580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 335887776

約数和(自身を除く): 212338196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 140, 146, 154, 157, 196, 220, 245, 292, 308, 314, 365, 385, 490, 511, 539, 628, 730, 770, 785, 803, 980, 1022, 1078, 1099, 1460, 1540, 1570, 1606, 1727, 2044, 2156, 2198, 2555, 2695, 3140, 3212, 3454, 3577, 4015, 4396, 5110, 5390, 5495, 5621, 6908, 7154, 7693, 8030, 8635, 10220, 10780, 10990, 11242, 11461, 12089, 14308, 15386, 16060, 17270, 17885, 21980, 22484, 22922, 24178, 28105, 30772, 34540, 35770, 38465, 39347, 45844, 48356, 56210, 57305, 60445, 71540, 76930, 78694, 80227, 84623, 112420, 114610, 120890, 126071, 153860, 157388, 160454, 169246, 196735, 229220, 241780, 252142, 320908, 338492, 393470, 401135, 423115, 504284, 561589, 630355, 786940, 802270, 846230, 882497, 1123178, 1260710, 1604540, 1692460, 1764994, 2246356, 2521420, 2807945, 3529988, 4412485, 5615890, 6177479, 8824970, 11231780, 12354958, 17649940, 24709916, 30887395, 61774790, 123549580]

約数ペア:

[(1, 123549580), (2, 61774790), (4, 30887395), (5, 24709916), (7, 17649940), (10, 12354958), (11, 11231780), (14, 8824970), (20, 6177479), (22, 5615890), (28, 4412485), (35, 3529988), (44, 2807945), (49, 2521420), (55, 2246356), (70, 1764994), (73, 1692460), (77, 1604540), (98, 1260710), (110, 1123178), (140, 882497), (146, 846230), (154, 802270), (157, 786940), (196, 630355), (220, 561589), (245, 504284), (292, 423115), (308, 401135), (314, 393470), (365, 338492), (385, 320908), (490, 252142), (511, 241780), (539, 229220), (628, 196735), (730, 169246), (770, 160454), (785, 157388), (803, 153860), (980, 126071), (1022, 120890), (1078, 114610), (1099, 112420), (1460, 84623), (1540, 80227), (1570, 78694), (1606, 76930), (1727, 71540), (2044, 60445), (2156, 57305), (2198, 56210), (2555, 48356), (2695, 45844), (3140, 39347), (3212, 38465), (3454, 35770), (3577, 34540), (4015, 30772), (4396, 28105), (5110, 24178), (5390, 22922), (5495, 22484), (5621, 21980), (6908, 17885), (7154, 17270), (7693, 16060), (8030, 15386), (8635, 14308), (10220, 12089), (10780, 11461), (10990, 11242)]