123649380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29867}}^1$

素因数の和:29905

約数の個数: 72

約数和(自身を含む): 391390272

約数和(自身を除く): 267740892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 29867, 59734, 89601, 119468, 149335, 179202, 268803, 298670, 358404, 448005, 537606, 597340, 686941, 896010, 1075212, 1344015, 1373882, 1792020, 2060823, 2688030, 2747764, 3434705, 4121646, 5376060, 6182469, 6869410, 8243292, 10304115, 12364938, 13738820, 20608230, 24729876, 30912345, 41216460, 61824690, 123649380]

約数ペア:

[(1, 123649380), (2, 61824690), (3, 41216460), (4, 30912345), (5, 24729876), (6, 20608230), (9, 13738820), (10, 12364938), (12, 10304115), (15, 8243292), (18, 6869410), (20, 6182469), (23, 5376060), (30, 4121646), (36, 3434705), (45, 2747764), (46, 2688030), (60, 2060823), (69, 1792020), (90, 1373882), (92, 1344015), (115, 1075212), (138, 896010), (180, 686941), (207, 597340), (230, 537606), (276, 448005), (345, 358404), (414, 298670), (460, 268803), (690, 179202), (828, 149335), (1035, 119468), (1380, 89601), (2070, 59734), (4140, 29867)]