640359216

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{577}}^1$

素因数の和:968

約数の個数: 160

約数和(自身を含む): 2110023680

約数和(自身を除く): 1469664464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 367, 378, 432, 504, 577, 734, 756, 1008, 1101, 1154, 1468, 1512, 1731, 2202, 2308, 2569, 2936, 3024, 3303, 3462, 4039, 4404, 4616, 5138, 5193, 5872, 6606, 6924, 7707, 8078, 8808, 9232, 9909, 10276, 10386, 12117, 13212, 13848, 15414, 15579, 16156, 17616, 19818, 20552, 20772, 23121, 24234, 26424, 27696, 30828, 31158, 32312, 36351, 39636, 41104, 41544, 46242, 48468, 52848, 61656, 62316, 64624, 69363, 72702, 79272, 83088, 92484, 96936, 109053, 123312, 124632, 138726, 145404, 158544, 184968, 193872, 211759, 218106, 249264, 277452, 290808, 369936, 423518, 436212, 554904, 581616, 635277, 847036, 872424, 1109808, 1270554, 1482313, 1694072, 1744848, 1905831, 2541108, 2964626, 3388144, 3811662, 4446939, 5082216, 5717493, 5929252, 7623324, 8893878, 10164432, 11434986, 11858504, 13340817, 15246648, 17787756, 22869972, 23717008, 26681634, 30493296, 35575512, 40022451, 45739944, 53363268, 71151024, 80044902, 91479888, 106726536, 160089804, 213453072, 320179608, 640359216]

約数ペア:

[(1, 640359216), (2, 320179608), (3, 213453072), (4, 160089804), (6, 106726536), (7, 91479888), (8, 80044902), (9, 71151024), (12, 53363268), (14, 45739944), (16, 40022451), (18, 35575512), (21, 30493296), (24, 26681634), (27, 23717008), (28, 22869972), (36, 17787756), (42, 15246648), (48, 13340817), (54, 11858504), (56, 11434986), (63, 10164432), (72, 8893878), (84, 7623324), (108, 5929252), (112, 5717493), (126, 5082216), (144, 4446939), (168, 3811662), (189, 3388144), (216, 2964626), (252, 2541108), (336, 1905831), (367, 1744848), (378, 1694072), (432, 1482313), (504, 1270554), (577, 1109808), (734, 872424), (756, 847036), (1008, 635277), (1101, 581616), (1154, 554904), (1468, 436212), (1512, 423518), (1731, 369936), (2202, 290808), (2308, 277452), (2569, 249264), (2936, 218106), (3024, 211759), (3303, 193872), (3462, 184968), (4039, 158544), (4404, 145404), (4616, 138726), (5138, 124632), (5193, 123312), (5872, 109053), (6606, 96936), (6924, 92484), (7707, 83088), (8078, 79272), (8808, 72702), (9232, 69363), (9909, 64624), (10276, 62316), (10386, 61656), (12117, 52848), (13212, 48468), (13848, 46242), (15414, 41544), (15579, 41104), (16156, 39636), (17616, 36351), (19818, 32312), (20552, 31158), (20772, 30828), (23121, 27696), (24234, 26424)]