68647800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 230777640

約数和(自身を除く): 162129840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 169, 195, 200, 260, 300, 312, 325, 338, 390, 507, 520, 600, 650, 676, 677, 780, 845, 975, 1014, 1300, 1352, 1354, 1560, 1690, 1950, 2028, 2031, 2535, 2600, 2708, 3380, 3385, 3900, 4056, 4062, 4225, 5070, 5416, 6760, 6770, 7800, 8124, 8450, 8801, 10140, 10155, 12675, 13540, 16248, 16900, 16925, 17602, 20280, 20310, 25350, 26403, 27080, 33800, 33850, 35204, 40620, 44005, 50700, 50775, 52806, 67700, 70408, 81240, 88010, 101400, 101550, 105612, 114413, 132015, 135400, 176020, 203100, 211224, 220025, 228826, 264030, 343239, 352040, 406200, 440050, 457652, 528060, 572065, 660075, 686478, 880100, 915304, 1056120, 1144130, 1320150, 1372956, 1716195, 1760200, 2288260, 2640300, 2745912, 2860325, 3432390, 4576520, 5280600, 5720650, 6864780, 8580975, 11441300, 13729560, 17161950, 22882600, 34323900, 68647800]

約数ペア:

[(1, 68647800), (2, 34323900), (3, 22882600), (4, 17161950), (5, 13729560), (6, 11441300), (8, 8580975), (10, 6864780), (12, 5720650), (13, 5280600), (15, 4576520), (20, 3432390), (24, 2860325), (25, 2745912), (26, 2640300), (30, 2288260), (39, 1760200), (40, 1716195), (50, 1372956), (52, 1320150), (60, 1144130), (65, 1056120), (75, 915304), (78, 880100), (100, 686478), (104, 660075), (120, 572065), (130, 528060), (150, 457652), (156, 440050), (169, 406200), (195, 352040), (200, 343239), (260, 264030), (300, 228826), (312, 220025), (325, 211224), (338, 203100), (390, 176020), (507, 135400), (520, 132015), (600, 114413), (650, 105612), (676, 101550), (677, 101400), (780, 88010), (845, 81240), (975, 70408), (1014, 67700), (1300, 52806), (1352, 50775), (1354, 50700), (1560, 44005), (1690, 40620), (1950, 35204), (2028, 33850), (2031, 33800), (2535, 27080), (2600, 26403), (2708, 25350), (3380, 20310), (3385, 20280), (3900, 17602), (4056, 16925), (4062, 16900), (4225, 16248), (5070, 13540), (5416, 12675), (6760, 10155), (6770, 10140), (7800, 8801), (8124, 8450)]