64019700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 208528320

約数和(自身を除く): 144508620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 131, 135, 150, 180, 181, 225, 262, 270, 300, 362, 393, 450, 524, 540, 543, 655, 675, 724, 786, 900, 905, 1086, 1179, 1310, 1350, 1572, 1629, 1810, 1965, 2172, 2358, 2620, 2700, 2715, 3258, 3275, 3537, 3620, 3930, 4525, 4716, 4887, 5430, 5895, 6516, 6550, 7074, 7860, 8145, 9050, 9774, 9825, 10860, 11790, 13100, 13575, 14148, 16290, 17685, 18100, 19548, 19650, 23580, 23711, 24435, 27150, 29475, 32580, 35370, 39300, 40725, 47422, 48870, 54300, 58950, 70740, 71133, 81450, 88425, 94844, 97740, 117900, 118555, 122175, 142266, 162900, 176850, 213399, 237110, 244350, 284532, 353700, 355665, 426798, 474220, 488700, 592775, 640197, 711330, 853596, 1066995, 1185550, 1280394, 1422660, 1778325, 2133990, 2371100, 2560788, 3200985, 3556650, 4267980, 5334975, 6401970, 7113300, 10669950, 12803940, 16004925, 21339900, 32009850, 64019700]

約数ペア:

[(1, 64019700), (2, 32009850), (3, 21339900), (4, 16004925), (5, 12803940), (6, 10669950), (9, 7113300), (10, 6401970), (12, 5334975), (15, 4267980), (18, 3556650), (20, 3200985), (25, 2560788), (27, 2371100), (30, 2133990), (36, 1778325), (45, 1422660), (50, 1280394), (54, 1185550), (60, 1066995), (75, 853596), (90, 711330), (100, 640197), (108, 592775), (131, 488700), (135, 474220), (150, 426798), (180, 355665), (181, 353700), (225, 284532), (262, 244350), (270, 237110), (300, 213399), (362, 176850), (393, 162900), (450, 142266), (524, 122175), (540, 118555), (543, 117900), (655, 97740), (675, 94844), (724, 88425), (786, 81450), (900, 71133), (905, 70740), (1086, 58950), (1179, 54300), (1310, 48870), (1350, 47422), (1572, 40725), (1629, 39300), (1810, 35370), (1965, 32580), (2172, 29475), (2358, 27150), (2620, 24435), (2700, 23711), (2715, 23580), (3258, 19650), (3275, 19548), (3537, 18100), (3620, 17685), (3930, 16290), (4525, 14148), (4716, 13575), (4887, 13100), (5430, 11790), (5895, 10860), (6516, 9825), (6550, 9774), (7074, 9050), (7860, 8145)]