64278900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 288

約数和(自身を含む): 249984000

約数和(自身を除く): 185705100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 27, 28, 30, 35, 36, 38, 42, 45, 50, 54, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 108, 114, 126, 133, 135, 140, 150, 171, 175, 179, 180, 189, 190, 210, 225, 228, 252, 266, 270, 285, 300, 315, 342, 350, 358, 378, 380, 399, 420, 450, 475, 513, 525, 532, 537, 540, 570, 630, 665, 675, 684, 700, 716, 756, 798, 855, 895, 900, 945, 950, 1026, 1050, 1074, 1140, 1197, 1253, 1260, 1330, 1350, 1425, 1575, 1596, 1611, 1710, 1790, 1890, 1900, 1995, 2052, 2100, 2148, 2394, 2506, 2565, 2660, 2685, 2700, 2850, 3150, 3222, 3325, 3401, 3420, 3580, 3591, 3759, 3780, 3990, 4275, 4475, 4725, 4788, 4833, 5012, 5130, 5370, 5700, 5985, 6265, 6300, 6444, 6650, 6802, 7182, 7518, 7980, 8055, 8550, 8950, 9450, 9666, 9975, 10203, 10260, 10740, 11277, 11970, 12530, 12825, 13300, 13425, 13604, 14364, 15036, 16110, 17005, 17100, 17900, 17955, 18795, 18900, 19332, 19950, 20406, 22554, 23807, 23940, 24165, 25060, 25650, 26850, 29925, 30609, 31325, 32220, 33831, 34010, 35910, 37590, 39900, 40275, 40812, 45108, 47614, 48330, 51015, 51300, 53700, 56385, 59850, 61218, 62650, 67662, 68020, 71421, 71820, 75180, 80550, 85025, 89775, 91827, 93975, 95228, 96660, 102030, 112770, 119035, 119700, 120825, 122436, 125300, 135324, 142842, 153045, 161100, 169155, 170050, 179550, 183654, 187950, 204060, 214263, 225540, 238070, 241650, 255075, 281925, 285684, 306090, 338310, 340100, 357105, 359100, 367308, 375900, 428526, 459135, 476140, 483300, 510150, 563850, 595175, 612180, 642789, 676620, 714210, 765225, 845775, 857052, 918270, 1020300, 1071315, 1127700, 1190350, 1285578, 1428420, 1530450, 1691550, 1785525, 1836540, 2142630, 2295675, 2380700, 2571156, 3060900, 3213945, 3383100, 3571050, 4285260, 4591350, 5356575, 6427890, 7142100, 9182700, 10713150, 12855780, 16069725, 21426300, 32139450, 64278900]

約数ペア:

[(1, 64278900), (2, 32139450), (3, 21426300), (4, 16069725), (5, 12855780), (6, 10713150), (7, 9182700), (9, 7142100), (10, 6427890), (12, 5356575), (14, 4591350), (15, 4285260), (18, 3571050), (19, 3383100), (20, 3213945), (21, 3060900), (25, 2571156), (27, 2380700), (28, 2295675), (30, 2142630), (35, 1836540), (36, 1785525), (38, 1691550), (42, 1530450), (45, 1428420), (50, 1285578), (54, 1190350), (57, 1127700), (60, 1071315), (63, 1020300), (70, 918270), (75, 857052), (76, 845775), (84, 765225), (90, 714210), (95, 676620), (100, 642789), (105, 612180), (108, 595175), (114, 563850), (126, 510150), (133, 483300), (135, 476140), (140, 459135), (150, 428526), (171, 375900), (175, 367308), (179, 359100), (180, 357105), (189, 340100), (190, 338310), (210, 306090), (225, 285684), (228, 281925), (252, 255075), (266, 241650), (270, 238070), (285, 225540), (300, 214263), (315, 204060), (342, 187950), (350, 183654), (358, 179550), (378, 170050), (380, 169155), (399, 161100), (420, 153045), (450, 142842), (475, 135324), (513, 125300), (525, 122436), (532, 120825), (537, 119700), (540, 119035), (570, 112770), (630, 102030), (665, 96660), (675, 95228), (684, 93975), (700, 91827), (716, 89775), (756, 85025), (798, 80550), (855, 75180), (895, 71820), (900, 71421), (945, 68020), (950, 67662), (1026, 62650), (1050, 61218), (1074, 59850), (1140, 56385), (1197, 53700), (1253, 51300), (1260, 51015), (1330, 48330), (1350, 47614), (1425, 45108), (1575, 40812), (1596, 40275), (1611, 39900), (1710, 37590), (1790, 35910), (1890, 34010), (1900, 33831), (1995, 32220), (2052, 31325), (2100, 30609), (2148, 29925), (2394, 26850), (2506, 25650), (2565, 25060), (2660, 24165), (2685, 23940), (2700, 23807), (2850, 22554), (3150, 20406), (3222, 19950), (3325, 19332), (3401, 18900), (3420, 18795), (3580, 17955), (3591, 17900), (3759, 17100), (3780, 17005), (3990, 16110), (4275, 15036), (4475, 14364), (4725, 13604), (4788, 13425), (4833, 13300), (5012, 12825), (5130, 12530), (5370, 11970), (5700, 11277), (5985, 10740), (6265, 10260), (6300, 10203), (6444, 9975), (6650, 9666), (6802, 9450), (7182, 8950), (7518, 8550), (7980, 8055)]