68513100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 141473460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 53, 60, 62, 75, 93, 100, 106, 124, 139, 150, 155, 159, 186, 212, 265, 278, 300, 310, 318, 372, 417, 465, 530, 556, 620, 636, 695, 775, 795, 834, 930, 1060, 1325, 1390, 1550, 1590, 1643, 1668, 1860, 2085, 2325, 2650, 2780, 3100, 3180, 3286, 3475, 3975, 4170, 4309, 4650, 4929, 5300, 6572, 6950, 7367, 7950, 8215, 8340, 8618, 9300, 9858, 10425, 12927, 13900, 14734, 15900, 16430, 17236, 19716, 20850, 21545, 22101, 24645, 25854, 29468, 32860, 36835, 41075, 41700, 43090, 44202, 49290, 51708, 64635, 73670, 82150, 86180, 88404, 98580, 107725, 110505, 123225, 129270, 147340, 164300, 184175, 215450, 221010, 228377, 246450, 258540, 323175, 368350, 430900, 442020, 456754, 492900, 552525, 646350, 685131, 736700, 913508, 1105050, 1141885, 1292700, 1370262, 2210100, 2283770, 2740524, 3425655, 4567540, 5709425, 6851310, 11418850, 13702620, 17128275, 22837700, 34256550, 68513100]

約数ペア:

[(1, 68513100), (2, 34256550), (3, 22837700), (4, 17128275), (5, 13702620), (6, 11418850), (10, 6851310), (12, 5709425), (15, 4567540), (20, 3425655), (25, 2740524), (30, 2283770), (31, 2210100), (50, 1370262), (53, 1292700), (60, 1141885), (62, 1105050), (75, 913508), (93, 736700), (100, 685131), (106, 646350), (124, 552525), (139, 492900), (150, 456754), (155, 442020), (159, 430900), (186, 368350), (212, 323175), (265, 258540), (278, 246450), (300, 228377), (310, 221010), (318, 215450), (372, 184175), (417, 164300), (465, 147340), (530, 129270), (556, 123225), (620, 110505), (636, 107725), (695, 98580), (775, 88404), (795, 86180), (834, 82150), (930, 73670), (1060, 64635), (1325, 51708), (1390, 49290), (1550, 44202), (1590, 43090), (1643, 41700), (1668, 41075), (1860, 36835), (2085, 32860), (2325, 29468), (2650, 25854), (2780, 24645), (3100, 22101), (3180, 21545), (3286, 20850), (3475, 19716), (3975, 17236), (4170, 16430), (4309, 15900), (4650, 14734), (4929, 13900), (5300, 12927), (6572, 10425), (6950, 9858), (7367, 9300), (7950, 8618), (8215, 8340)]