8619780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 26699904

約数和(自身を除く): 18080124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 257, 258, 260, 390, 430, 514, 516, 559, 645, 771, 780, 860, 1028, 1118, 1285, 1290, 1542, 1677, 2236, 2570, 2580, 2795, 3084, 3341, 3354, 3855, 5140, 5590, 6682, 6708, 7710, 8385, 10023, 11051, 11180, 13364, 15420, 16705, 16770, 20046, 22102, 33153, 33410, 33540, 40092, 44204, 50115, 55255, 66306, 66820, 100230, 110510, 132612, 143663, 165765, 200460, 221020, 287326, 331530, 430989, 574652, 663060, 718315, 861978, 1436630, 1723956, 2154945, 2873260, 4309890, 8619780]

約数ペア:

[(1, 8619780), (2, 4309890), (3, 2873260), (4, 2154945), (5, 1723956), (6, 1436630), (10, 861978), (12, 718315), (13, 663060), (15, 574652), (20, 430989), (26, 331530), (30, 287326), (39, 221020), (43, 200460), (52, 165765), (60, 143663), (65, 132612), (78, 110510), (86, 100230), (129, 66820), (130, 66306), (156, 55255), (172, 50115), (195, 44204), (215, 40092), (257, 33540), (258, 33410), (260, 33153), (390, 22102), (430, 20046), (514, 16770), (516, 16705), (559, 15420), (645, 13364), (771, 11180), (780, 11051), (860, 10023), (1028, 8385), (1118, 7710), (1285, 6708), (1290, 6682), (1542, 5590), (1677, 5140), (2236, 3855), (2570, 3354), (2580, 3341), (2795, 3084)]