81161730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 245548800

約数和(自身を除く): 164387070

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 494, 513, 570, 585, 702, 741, 855, 1026, 1170, 1217, 1235, 1482, 1710, 1755, 2223, 2434, 2470, 2565, 3510, 3651, 3705, 4446, 5130, 6085, 6669, 7302, 7410, 10953, 11115, 12170, 13338, 15821, 18255, 21906, 22230, 23123, 31642, 32859, 33345, 36510, 46246, 47463, 54765, 65718, 66690, 69369, 79105, 94926, 109530, 115615, 138738, 142389, 158210, 164295, 208107, 231230, 237315, 284778, 300599, 328590, 346845, 416214, 427167, 474630, 601198, 624321, 693690, 711945, 854334, 901797, 1040535, 1248642, 1423890, 1502995, 1803594, 2081070, 2135835, 2705391, 3005990, 3121605, 4271670, 4508985, 5410782, 6243210, 8116173, 9017970, 13526955, 16232346, 27053910, 40580865, 81161730]

約数ペア:

[(1, 81161730), (2, 40580865), (3, 27053910), (5, 16232346), (6, 13526955), (9, 9017970), (10, 8116173), (13, 6243210), (15, 5410782), (18, 4508985), (19, 4271670), (26, 3121605), (27, 3005990), (30, 2705391), (38, 2135835), (39, 2081070), (45, 1803594), (54, 1502995), (57, 1423890), (65, 1248642), (78, 1040535), (90, 901797), (95, 854334), (114, 711945), (117, 693690), (130, 624321), (135, 601198), (171, 474630), (190, 427167), (195, 416214), (234, 346845), (247, 328590), (270, 300599), (285, 284778), (342, 237315), (351, 231230), (390, 208107), (494, 164295), (513, 158210), (570, 142389), (585, 138738), (702, 115615), (741, 109530), (855, 94926), (1026, 79105), (1170, 69369), (1217, 66690), (1235, 65718), (1482, 54765), (1710, 47463), (1755, 46246), (2223, 36510), (2434, 33345), (2470, 32859), (2565, 31642), (3510, 23123), (3651, 22230), (3705, 21906), (4446, 18255), (5130, 15821), (6085, 13338), (6669, 12170), (7302, 11115), (7410, 10953)]