68520900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 230429696

約数和(自身を除く): 161908796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 67, 70, 75, 84, 100, 105, 134, 140, 150, 175, 201, 210, 268, 300, 335, 350, 402, 420, 469, 487, 525, 670, 700, 804, 938, 974, 1005, 1050, 1340, 1407, 1461, 1675, 1876, 1948, 2010, 2100, 2345, 2435, 2814, 2922, 3350, 3409, 4020, 4690, 4870, 5025, 5628, 5844, 6700, 6818, 7035, 7305, 9380, 9740, 10050, 10227, 11725, 12175, 13636, 14070, 14610, 17045, 20100, 20454, 23450, 24350, 28140, 29220, 32629, 34090, 35175, 36525, 40908, 46900, 48700, 51135, 65258, 68180, 70350, 73050, 85225, 97887, 102270, 130516, 140700, 146100, 163145, 170450, 195774, 204540, 228403, 255675, 326290, 340900, 391548, 456806, 489435, 511350, 652580, 685209, 815725, 913612, 978870, 1022700, 1142015, 1370418, 1631450, 1957740, 2284030, 2447175, 2740836, 3262900, 3426045, 4568060, 4894350, 5710075, 6852090, 9788700, 11420150, 13704180, 17130225, 22840300, 34260450, 68520900]

約数ペア:

[(1, 68520900), (2, 34260450), (3, 22840300), (4, 17130225), (5, 13704180), (6, 11420150), (7, 9788700), (10, 6852090), (12, 5710075), (14, 4894350), (15, 4568060), (20, 3426045), (21, 3262900), (25, 2740836), (28, 2447175), (30, 2284030), (35, 1957740), (42, 1631450), (50, 1370418), (60, 1142015), (67, 1022700), (70, 978870), (75, 913612), (84, 815725), (100, 685209), (105, 652580), (134, 511350), (140, 489435), (150, 456806), (175, 391548), (201, 340900), (210, 326290), (268, 255675), (300, 228403), (335, 204540), (350, 195774), (402, 170450), (420, 163145), (469, 146100), (487, 140700), (525, 130516), (670, 102270), (700, 97887), (804, 85225), (938, 73050), (974, 70350), (1005, 68180), (1050, 65258), (1340, 51135), (1407, 48700), (1461, 46900), (1675, 40908), (1876, 36525), (1948, 35175), (2010, 34090), (2100, 32629), (2345, 29220), (2435, 28140), (2814, 24350), (2922, 23450), (3350, 20454), (3409, 20100), (4020, 17045), (4690, 14610), (4870, 14070), (5025, 13636), (5628, 12175), (5844, 11725), (6700, 10227), (6818, 10050), (7035, 9740), (7305, 9380)]