248961720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{953}}^1$

素因数の和:1285

約数の個数: 128

約数和(自身を含む): 857226240

約数和(自身を除く): 608264520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 311, 420, 622, 840, 933, 953, 1244, 1555, 1866, 1906, 2177, 2488, 2859, 3110, 3732, 3812, 4354, 4665, 4765, 5718, 6220, 6531, 6671, 7464, 7624, 8708, 9330, 9530, 10885, 11436, 12440, 13062, 13342, 14295, 17416, 18660, 19060, 20013, 21770, 22872, 26124, 26684, 28590, 32655, 33355, 37320, 38120, 40026, 43540, 52248, 53368, 57180, 65310, 66710, 80052, 87080, 100065, 114360, 130620, 133420, 160104, 200130, 261240, 266840, 296383, 400260, 592766, 800520, 889149, 1185532, 1481915, 1778298, 2074681, 2371064, 2963830, 3556596, 4149362, 4445745, 5927660, 6224043, 7113192, 8298724, 8891490, 10373405, 11855320, 12448086, 16597448, 17782980, 20746810, 24896172, 31120215, 35565960, 41493620, 49792344, 62240430, 82987240, 124480860, 248961720]

約数ペア:

[(1, 248961720), (2, 124480860), (3, 82987240), (4, 62240430), (5, 49792344), (6, 41493620), (7, 35565960), (8, 31120215), (10, 24896172), (12, 20746810), (14, 17782980), (15, 16597448), (20, 12448086), (21, 11855320), (24, 10373405), (28, 8891490), (30, 8298724), (35, 7113192), (40, 6224043), (42, 5927660), (56, 4445745), (60, 4149362), (70, 3556596), (84, 2963830), (105, 2371064), (120, 2074681), (140, 1778298), (168, 1481915), (210, 1185532), (280, 889149), (311, 800520), (420, 592766), (622, 400260), (840, 296383), (933, 266840), (953, 261240), (1244, 200130), (1555, 160104), (1866, 133420), (1906, 130620), (2177, 114360), (2488, 100065), (2859, 87080), (3110, 80052), (3732, 66710), (3812, 65310), (4354, 57180), (4665, 53368), (4765, 52248), (5718, 43540), (6220, 40026), (6531, 38120), (6671, 37320), (7464, 33355), (7624, 32655), (8708, 28590), (9330, 26684), (9530, 26124), (10885, 22872), (11436, 21770), (12440, 20013), (13062, 19060), (13342, 18660), (14295, 17416)]