2783171560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{124471}}^1$

素因数の和:124538

約数の個数: 64

約数和(自身を含む): 6900727680

約数和(自身を除く): 4117556120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 124471, 248942, 497884, 622355, 995768, 1244710, 1618123, 2489420, 3236246, 4978840, 5352253, 6472492, 8090615, 10704506, 12944984, 16181230, 21409012, 26761265, 32362460, 42818024, 53522530, 64724920, 69579289, 107045060, 139158578, 214090120, 278317156, 347896445, 556634312, 695792890, 1391585780, 2783171560]

約数ペア:

[(1, 2783171560), (2, 1391585780), (4, 695792890), (5, 556634312), (8, 347896445), (10, 278317156), (13, 214090120), (20, 139158578), (26, 107045060), (40, 69579289), (43, 64724920), (52, 53522530), (65, 42818024), (86, 32362460), (104, 26761265), (130, 21409012), (172, 16181230), (215, 12944984), (260, 10704506), (344, 8090615), (430, 6472492), (520, 5352253), (559, 4978840), (860, 3236246), (1118, 2489420), (1720, 1618123), (2236, 1244710), (2795, 995768), (4472, 622355), (5590, 497884), (11180, 248942), (22360, 124471)]