121291820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 295975680

約数和(自身を除く): 174683860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 380, 430, 494, 559, 571, 817, 860, 988, 1118, 1142, 1235, 1634, 2236, 2284, 2470, 2795, 2855, 3268, 4085, 4940, 5590, 5710, 7423, 8170, 10621, 10849, 11180, 11420, 14846, 16340, 21242, 21698, 24553, 29692, 37115, 42484, 43396, 49106, 53105, 54245, 74230, 98212, 106210, 108490, 122765, 141037, 148460, 212420, 216980, 245530, 282074, 319189, 466507, 491060, 564148, 638378, 705185, 933014, 1276756, 1410370, 1595945, 1866028, 2332535, 2820740, 3191890, 4665070, 6064591, 6383780, 9330140, 12129182, 24258364, 30322955, 60645910, 121291820]

約数ペア:

[(1, 121291820), (2, 60645910), (4, 30322955), (5, 24258364), (10, 12129182), (13, 9330140), (19, 6383780), (20, 6064591), (26, 4665070), (38, 3191890), (43, 2820740), (52, 2332535), (65, 1866028), (76, 1595945), (86, 1410370), (95, 1276756), (130, 933014), (172, 705185), (190, 638378), (215, 564148), (247, 491060), (260, 466507), (380, 319189), (430, 282074), (494, 245530), (559, 216980), (571, 212420), (817, 148460), (860, 141037), (988, 122765), (1118, 108490), (1142, 106210), (1235, 98212), (1634, 74230), (2236, 54245), (2284, 53105), (2470, 49106), (2795, 43396), (2855, 42484), (3268, 37115), (4085, 29692), (4940, 24553), (5590, 21698), (5710, 21242), (7423, 16340), (8170, 14846), (10621, 11420), (10849, 11180)]