64518750

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 185238144

約数和(自身を除く): 120719394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 37, 45, 50, 62, 74, 75, 90, 93, 111, 125, 150, 155, 185, 186, 222, 225, 250, 279, 310, 333, 370, 375, 450, 465, 555, 558, 625, 666, 750, 775, 925, 930, 1110, 1125, 1147, 1250, 1395, 1550, 1665, 1850, 1875, 2250, 2294, 2325, 2775, 2790, 3125, 3330, 3441, 3750, 3875, 4625, 4650, 5550, 5625, 5735, 6250, 6882, 6975, 7750, 8325, 9250, 9375, 10323, 11250, 11470, 11625, 13875, 13950, 16650, 17205, 18750, 19375, 20646, 23125, 23250, 27750, 28125, 28675, 34410, 34875, 38750, 41625, 46250, 51615, 56250, 57350, 58125, 69375, 69750, 83250, 86025, 96875, 103230, 115625, 116250, 138750, 143375, 172050, 174375, 193750, 208125, 231250, 258075, 286750, 290625, 346875, 348750, 416250, 430125, 516150, 581250, 693750, 716875, 860250, 871875, 1040625, 1290375, 1433750, 1743750, 2081250, 2150625, 2580750, 3584375, 4301250, 6451875, 7168750, 10753125, 12903750, 21506250, 32259375, 64518750]

約数ペア:

[(1, 64518750), (2, 32259375), (3, 21506250), (5, 12903750), (6, 10753125), (9, 7168750), (10, 6451875), (15, 4301250), (18, 3584375), (25, 2580750), (30, 2150625), (31, 2081250), (37, 1743750), (45, 1433750), (50, 1290375), (62, 1040625), (74, 871875), (75, 860250), (90, 716875), (93, 693750), (111, 581250), (125, 516150), (150, 430125), (155, 416250), (185, 348750), (186, 346875), (222, 290625), (225, 286750), (250, 258075), (279, 231250), (310, 208125), (333, 193750), (370, 174375), (375, 172050), (450, 143375), (465, 138750), (555, 116250), (558, 115625), (625, 103230), (666, 96875), (750, 86025), (775, 83250), (925, 69750), (930, 69375), (1110, 58125), (1125, 57350), (1147, 56250), (1250, 51615), (1395, 46250), (1550, 41625), (1665, 38750), (1850, 34875), (1875, 34410), (2250, 28675), (2294, 28125), (2325, 27750), (2775, 23250), (2790, 23125), (3125, 20646), (3330, 19375), (3441, 18750), (3750, 17205), (3875, 16650), (4625, 13950), (4650, 13875), (5550, 11625), (5625, 11470), (5735, 11250), (6250, 10323), (6882, 9375), (6975, 9250), (7750, 8325)]