2581742280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1654963}}^1$

素因数の和:1654990

約数の個数: 64

約数和(自身を含む): 8341018560

約数和(自身を除く): 5759276280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1654963, 3309926, 4964889, 6619852, 8274815, 9929778, 13239704, 16549630, 19859556, 21514519, 24824445, 33099260, 39719112, 43029038, 49648890, 64543557, 66198520, 86058076, 99297780, 107572595, 129087114, 172116152, 198595560, 215145190, 258174228, 322717785, 430290380, 516348456, 645435570, 860580760, 1290871140, 2581742280]

約数ペア:

[(1, 2581742280), (2, 1290871140), (3, 860580760), (4, 645435570), (5, 516348456), (6, 430290380), (8, 322717785), (10, 258174228), (12, 215145190), (13, 198595560), (15, 172116152), (20, 129087114), (24, 107572595), (26, 99297780), (30, 86058076), (39, 66198520), (40, 64543557), (52, 49648890), (60, 43029038), (65, 39719112), (78, 33099260), (104, 24824445), (120, 21514519), (130, 19859556), (156, 16549630), (195, 13239704), (260, 9929778), (312, 8274815), (390, 6619852), (520, 4964889), (780, 3309926), (1560, 1654963)]