163973940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 505185408

約数和(自身を除く): 341211468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 157, 169, 195, 206, 260, 309, 314, 338, 390, 412, 471, 507, 515, 618, 628, 676, 780, 785, 845, 942, 1014, 1030, 1236, 1339, 1545, 1570, 1690, 1884, 2028, 2041, 2060, 2355, 2535, 2678, 3090, 3140, 3380, 4017, 4082, 4710, 5070, 5356, 6123, 6180, 6695, 8034, 8164, 9420, 10140, 10205, 12246, 13390, 16068, 16171, 17407, 20085, 20410, 24492, 26533, 26780, 30615, 32342, 34814, 40170, 40820, 48513, 52221, 53066, 61230, 64684, 69628, 79599, 80340, 80855, 87035, 97026, 104442, 106132, 122460, 132665, 159198, 161710, 174070, 194052, 208884, 210223, 242565, 261105, 265330, 318396, 323420, 348140, 397995, 420446, 485130, 522210, 530660, 630669, 795990, 840892, 970260, 1044420, 1051115, 1261338, 1591980, 2102230, 2522676, 2732899, 3153345, 4204460, 5465798, 6306690, 8198697, 10931596, 12613380, 13664495, 16397394, 27328990, 32794788, 40993485, 54657980, 81986970, 163973940]

約数ペア:

[(1, 163973940), (2, 81986970), (3, 54657980), (4, 40993485), (5, 32794788), (6, 27328990), (10, 16397394), (12, 13664495), (13, 12613380), (15, 10931596), (20, 8198697), (26, 6306690), (30, 5465798), (39, 4204460), (52, 3153345), (60, 2732899), (65, 2522676), (78, 2102230), (103, 1591980), (130, 1261338), (156, 1051115), (157, 1044420), (169, 970260), (195, 840892), (206, 795990), (260, 630669), (309, 530660), (314, 522210), (338, 485130), (390, 420446), (412, 397995), (471, 348140), (507, 323420), (515, 318396), (618, 265330), (628, 261105), (676, 242565), (780, 210223), (785, 208884), (845, 194052), (942, 174070), (1014, 161710), (1030, 159198), (1236, 132665), (1339, 122460), (1545, 106132), (1570, 104442), (1690, 97026), (1884, 87035), (2028, 80855), (2041, 80340), (2060, 79599), (2355, 69628), (2535, 64684), (2678, 61230), (3090, 53066), (3140, 52221), (3380, 48513), (4017, 40820), (4082, 40170), (4710, 34814), (5070, 32342), (5356, 30615), (6123, 26780), (6180, 26533), (6695, 24492), (8034, 20410), (8164, 20085), (9420, 17407), (10140, 16171), (10205, 16068), (12246, 13390)]