20128015890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1\times {\mathrm{1511}}^1$

素因数の和:2109

約数の個数: 128

約数和(自身を含む): 54344908800

約数和(自身を除く): 34216892910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 479, 515, 618, 927, 958, 1030, 1437, 1511, 1545, 1854, 2395, 2781, 2874, 3022, 3090, 4311, 4533, 4635, 4790, 5562, 7185, 7555, 8622, 9066, 9270, 12933, 13599, 13905, 14370, 15110, 21555, 22665, 25866, 27198, 27810, 40797, 43110, 45330, 49337, 64665, 67995, 81594, 98674, 129330, 135990, 148011, 155633, 203985, 246685, 296022, 311266, 407970, 444033, 466899, 493370, 723769, 740055, 778165, 888066, 933798, 1332099, 1400697, 1447538, 1480110, 1556330, 2171307, 2220165, 2334495, 2664198, 2801394, 3618845, 4202091, 4342614, 4440330, 4668990, 6513921, 6660495, 7003485, 7237690, 8404182, 10856535, 13027842, 13320990, 14006970, 19541763, 21010455, 21713070, 32569605, 39083526, 42020910, 65139210, 74548207, 97708815, 149096414, 195417630, 223644621, 372741035, 447289242, 670933863, 745482070, 1118223105, 1341867726, 2012801589, 2236446210, 3354669315, 4025603178, 6709338630, 10064007945, 20128015890]

約数ペア:

[(1, 20128015890), (2, 10064007945), (3, 6709338630), (5, 4025603178), (6, 3354669315), (9, 2236446210), (10, 2012801589), (15, 1341867726), (18, 1118223105), (27, 745482070), (30, 670933863), (45, 447289242), (54, 372741035), (90, 223644621), (103, 195417630), (135, 149096414), (206, 97708815), (270, 74548207), (309, 65139210), (479, 42020910), (515, 39083526), (618, 32569605), (927, 21713070), (958, 21010455), (1030, 19541763), (1437, 14006970), (1511, 13320990), (1545, 13027842), (1854, 10856535), (2395, 8404182), (2781, 7237690), (2874, 7003485), (3022, 6660495), (3090, 6513921), (4311, 4668990), (4533, 4440330), (4635, 4342614), (4790, 4202091), (5562, 3618845), (7185, 2801394), (7555, 2664198), (8622, 2334495), (9066, 2220165), (9270, 2171307), (12933, 1556330), (13599, 1480110), (13905, 1447538), (14370, 1400697), (15110, 1332099), (21555, 933798), (22665, 888066), (25866, 778165), (27198, 740055), (27810, 723769), (40797, 493370), (43110, 466899), (45330, 444033), (49337, 407970), (64665, 311266), (67995, 296022), (81594, 246685), (98674, 203985), (129330, 155633), (135990, 148011)]