81986970

素因数分解:

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

素因数の和:296

約数の個数: 96

約数和(自身を含む): 216508032

約数和(自身を除く): 134521062

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 157, 169, 195, 206, 309, 314, 338, 390, 471, 507, 515, 618, 785, 845, 942, 1014, 1030, 1339, 1545, 1570, 1690, 2041, 2355, 2535, 2678, 3090, 4017, 4082, 4710, 5070, 6123, 6695, 8034, 10205, 12246, 13390, 16171, 17407, 20085, 20410, 26533, 30615, 32342, 34814, 40170, 48513, 52221, 53066, 61230, 79599, 80855, 87035, 97026, 104442, 132665, 159198, 161710, 174070, 210223, 242565, 261105, 265330, 397995, 420446, 485130, 522210, 630669, 795990, 1051115, 1261338, 2102230, 2732899, 3153345, 5465798, 6306690, 8198697, 13664495, 16397394, 27328990, 40993485, 81986970]

約数ペア:

[(1, 81986970), (2, 40993485), (3, 27328990), (5, 16397394), (6, 13664495), (10, 8198697), (13, 6306690), (15, 5465798), (26, 3153345), (30, 2732899), (39, 2102230), (65, 1261338), (78, 1051115), (103, 795990), (130, 630669), (157, 522210), (169, 485130), (195, 420446), (206, 397995), (309, 265330), (314, 261105), (338, 242565), (390, 210223), (471, 174070), (507, 161710), (515, 159198), (618, 132665), (785, 104442), (845, 97026), (942, 87035), (1014, 80855), (1030, 79599), (1339, 61230), (1545, 53066), (1570, 52221), (1690, 48513), (2041, 40170), (2355, 34814), (2535, 32342), (2678, 30615), (3090, 26533), (4017, 20410), (4082, 20085), (4710, 17407), (5070, 16171), (6123, 13390), (6695, 12246), (8034, 10205)]