138491280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8363}}^1$

素因数の和:8405

約数の個数: 120

約数和(自身を含む): 485379648

約数和(自身を除く): 346888368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 8363, 16560, 16726, 25089, 33452, 41815, 50178, 66904, 75267, 83630, 100356, 125445, 133808, 150534, 167260, 192349, 200712, 250890, 301068, 334520, 376335, 384698, 401424, 501780, 577047, 602136, 669040, 752670, 769396, 961745, 1003560, 1154094, 1204272, 1505340, 1538792, 1731141, 1923490, 2007120, 2308188, 2885235, 3010680, 3077584, 3462282, 3846980, 4616376, 5770470, 6021360, 6924564, 7693960, 8655705, 9232752, 11540940, 13849128, 15387920, 17311410, 23081880, 27698256, 34622820, 46163760, 69245640, 138491280]

約数ペア:

[(1, 138491280), (2, 69245640), (3, 46163760), (4, 34622820), (5, 27698256), (6, 23081880), (8, 17311410), (9, 15387920), (10, 13849128), (12, 11540940), (15, 9232752), (16, 8655705), (18, 7693960), (20, 6924564), (23, 6021360), (24, 5770470), (30, 4616376), (36, 3846980), (40, 3462282), (45, 3077584), (46, 3010680), (48, 2885235), (60, 2308188), (69, 2007120), (72, 1923490), (80, 1731141), (90, 1538792), (92, 1505340), (115, 1204272), (120, 1154094), (138, 1003560), (144, 961745), (180, 769396), (184, 752670), (207, 669040), (230, 602136), (240, 577047), (276, 501780), (345, 401424), (360, 384698), (368, 376335), (414, 334520), (460, 301068), (552, 250890), (690, 200712), (720, 192349), (828, 167260), (920, 150534), (1035, 133808), (1104, 125445), (1380, 100356), (1656, 83630), (1840, 75267), (2070, 66904), (2760, 50178), (3312, 41815), (4140, 33452), (5520, 25089), (8280, 16726), (8363, 16560)]