64861300

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 172211200

約数和(自身を除く): 107349900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 61, 62, 70, 98, 100, 122, 124, 140, 155, 175, 196, 217, 244, 245, 305, 310, 343, 350, 427, 434, 490, 610, 620, 686, 700, 775, 854, 868, 980, 1085, 1220, 1225, 1372, 1519, 1525, 1550, 1708, 1715, 1891, 2135, 2170, 2450, 2989, 3038, 3050, 3100, 3430, 3782, 4270, 4340, 4900, 5425, 5978, 6076, 6100, 6860, 7564, 7595, 8540, 8575, 9455, 10633, 10675, 10850, 11956, 13237, 14945, 15190, 17150, 18910, 20923, 21266, 21350, 21700, 26474, 29890, 30380, 34300, 37820, 37975, 41846, 42532, 42700, 47275, 52948, 53165, 59780, 66185, 74725, 75950, 83692, 92659, 94550, 104615, 106330, 132370, 149450, 151900, 185318, 189100, 209230, 212660, 264740, 265825, 298900, 330925, 370636, 418460, 463295, 523075, 531650, 648613, 661850, 926590, 1046150, 1063300, 1297226, 1323700, 1853180, 2092300, 2316475, 2594452, 3243065, 4632950, 6486130, 9265900, 12972260, 16215325, 32430650, 64861300]

約数ペア:

[(1, 64861300), (2, 32430650), (4, 16215325), (5, 12972260), (7, 9265900), (10, 6486130), (14, 4632950), (20, 3243065), (25, 2594452), (28, 2316475), (31, 2092300), (35, 1853180), (49, 1323700), (50, 1297226), (61, 1063300), (62, 1046150), (70, 926590), (98, 661850), (100, 648613), (122, 531650), (124, 523075), (140, 463295), (155, 418460), (175, 370636), (196, 330925), (217, 298900), (244, 265825), (245, 264740), (305, 212660), (310, 209230), (343, 189100), (350, 185318), (427, 151900), (434, 149450), (490, 132370), (610, 106330), (620, 104615), (686, 94550), (700, 92659), (775, 83692), (854, 75950), (868, 74725), (980, 66185), (1085, 59780), (1220, 53165), (1225, 52948), (1372, 47275), (1519, 42700), (1525, 42532), (1550, 41846), (1708, 37975), (1715, 37820), (1891, 34300), (2135, 30380), (2170, 29890), (2450, 26474), (2989, 21700), (3038, 21350), (3050, 21266), (3100, 20923), (3430, 18910), (3782, 17150), (4270, 15190), (4340, 14945), (4900, 13237), (5425, 11956), (5978, 10850), (6076, 10675), (6100, 10633), (6860, 9455), (7564, 8575), (7595, 8540)]