12900720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1097}}^1$

素因数の和:1127

約数の個数: 120

約数和(自身を含む): 46563984

約数和(自身を除く): 33663264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1097, 1176, 1470, 1680, 1960, 2194, 2352, 2940, 3291, 3920, 4388, 5485, 5880, 6582, 7679, 8776, 10970, 11760, 13164, 15358, 16455, 17552, 21940, 23037, 26328, 30716, 32910, 38395, 43880, 46074, 52656, 53753, 61432, 65820, 76790, 87760, 92148, 107506, 115185, 122864, 131640, 153580, 161259, 184296, 215012, 230370, 263280, 268765, 307160, 322518, 368592, 430024, 460740, 537530, 614320, 645036, 806295, 860048, 921480, 1075060, 1290072, 1612590, 1842960, 2150120, 2580144, 3225180, 4300240, 6450360, 12900720]

約数ペア:

[(1, 12900720), (2, 6450360), (3, 4300240), (4, 3225180), (5, 2580144), (6, 2150120), (7, 1842960), (8, 1612590), (10, 1290072), (12, 1075060), (14, 921480), (15, 860048), (16, 806295), (20, 645036), (21, 614320), (24, 537530), (28, 460740), (30, 430024), (35, 368592), (40, 322518), (42, 307160), (48, 268765), (49, 263280), (56, 230370), (60, 215012), (70, 184296), (80, 161259), (84, 153580), (98, 131640), (105, 122864), (112, 115185), (120, 107506), (140, 92148), (147, 87760), (168, 76790), (196, 65820), (210, 61432), (240, 53753), (245, 52656), (280, 46074), (294, 43880), (336, 38395), (392, 32910), (420, 30716), (490, 26328), (560, 23037), (588, 21940), (735, 17552), (784, 16455), (840, 15358), (980, 13164), (1097, 11760), (1176, 10970), (1470, 8776), (1680, 7679), (1960, 6582), (2194, 5880), (2352, 5485), (2940, 4388), (3291, 3920)]