64677780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 206728704

約数和(自身を除く): 142050924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 124, 134, 155, 173, 180, 186, 201, 268, 279, 310, 335, 346, 372, 402, 465, 519, 558, 603, 620, 670, 692, 804, 865, 930, 1005, 1038, 1116, 1206, 1340, 1395, 1557, 1730, 1860, 2010, 2076, 2077, 2412, 2595, 2790, 3015, 3114, 3460, 4020, 4154, 5190, 5363, 5580, 6030, 6228, 6231, 7785, 8308, 10380, 10385, 10726, 11591, 12060, 12462, 15570, 16089, 18693, 20770, 21452, 23182, 24924, 26815, 31140, 31155, 32178, 34773, 37386, 41540, 46364, 48267, 53630, 57955, 62310, 64356, 69546, 74772, 80445, 93465, 96534, 104319, 107260, 115910, 124620, 139092, 160890, 173865, 186930, 193068, 208638, 231820, 241335, 321780, 347730, 359321, 373860, 417276, 482670, 521595, 695460, 718642, 965340, 1043190, 1077963, 1437284, 1796605, 2086380, 2155926, 3233889, 3593210, 4311852, 5389815, 6467778, 7186420, 10779630, 12935556, 16169445, 21559260, 32338890, 64677780]

約数ペア:

[(1, 64677780), (2, 32338890), (3, 21559260), (4, 16169445), (5, 12935556), (6, 10779630), (9, 7186420), (10, 6467778), (12, 5389815), (15, 4311852), (18, 3593210), (20, 3233889), (30, 2155926), (31, 2086380), (36, 1796605), (45, 1437284), (60, 1077963), (62, 1043190), (67, 965340), (90, 718642), (93, 695460), (124, 521595), (134, 482670), (155, 417276), (173, 373860), (180, 359321), (186, 347730), (201, 321780), (268, 241335), (279, 231820), (310, 208638), (335, 193068), (346, 186930), (372, 173865), (402, 160890), (465, 139092), (519, 124620), (558, 115910), (603, 107260), (620, 104319), (670, 96534), (692, 93465), (804, 80445), (865, 74772), (930, 69546), (1005, 64356), (1038, 62310), (1116, 57955), (1206, 53630), (1340, 48267), (1395, 46364), (1557, 41540), (1730, 37386), (1860, 34773), (2010, 32178), (2076, 31155), (2077, 31140), (2412, 26815), (2595, 24924), (2790, 23182), (3015, 21452), (3114, 20770), (3460, 18693), (4020, 16089), (4154, 15570), (5190, 12462), (5363, 12060), (5580, 11591), (6030, 10726), (6228, 10385), (6231, 10380), (7785, 8308)]