64745100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 238318080

約数和(自身を除く): 173572980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 43, 45, 50, 60, 63, 70, 75, 84, 86, 90, 100, 105, 126, 129, 140, 150, 172, 175, 180, 210, 215, 225, 239, 252, 258, 300, 301, 315, 350, 387, 420, 430, 450, 478, 516, 525, 602, 630, 645, 700, 717, 774, 860, 900, 903, 956, 1050, 1075, 1195, 1204, 1260, 1290, 1434, 1505, 1548, 1575, 1673, 1806, 1935, 2100, 2150, 2151, 2390, 2580, 2709, 2868, 3010, 3150, 3225, 3346, 3585, 3612, 3870, 4300, 4302, 4515, 4780, 5019, 5418, 5975, 6020, 6300, 6450, 6692, 7170, 7525, 7740, 8365, 8604, 9030, 9675, 10038, 10277, 10755, 10836, 11950, 12900, 13545, 14340, 15050, 15057, 16730, 17925, 18060, 19350, 20076, 20554, 21510, 22575, 23900, 25095, 27090, 30100, 30114, 30831, 33460, 35850, 38700, 41108, 41825, 43020, 45150, 50190, 51385, 53775, 54180, 60228, 61662, 67725, 71700, 71939, 75285, 83650, 90300, 92493, 100380, 102770, 107550, 123324, 125475, 135450, 143878, 150570, 154155, 167300, 184986, 205540, 215100, 215817, 250950, 256925, 270900, 287756, 301140, 308310, 359695, 369972, 376425, 431634, 462465, 501900, 513850, 616620, 647451, 719390, 752850, 770775, 863268, 924930, 1027700, 1079085, 1294902, 1438780, 1505700, 1541550, 1798475, 1849860, 2158170, 2312325, 2589804, 3083100, 3237255, 3596950, 4316340, 4624650, 5395425, 6474510, 7193900, 9249300, 10790850, 12949020, 16186275, 21581700, 32372550, 64745100]

約数ペア:

[(1, 64745100), (2, 32372550), (3, 21581700), (4, 16186275), (5, 12949020), (6, 10790850), (7, 9249300), (9, 7193900), (10, 6474510), (12, 5395425), (14, 4624650), (15, 4316340), (18, 3596950), (20, 3237255), (21, 3083100), (25, 2589804), (28, 2312325), (30, 2158170), (35, 1849860), (36, 1798475), (42, 1541550), (43, 1505700), (45, 1438780), (50, 1294902), (60, 1079085), (63, 1027700), (70, 924930), (75, 863268), (84, 770775), (86, 752850), (90, 719390), (100, 647451), (105, 616620), (126, 513850), (129, 501900), (140, 462465), (150, 431634), (172, 376425), (175, 369972), (180, 359695), (210, 308310), (215, 301140), (225, 287756), (239, 270900), (252, 256925), (258, 250950), (300, 215817), (301, 215100), (315, 205540), (350, 184986), (387, 167300), (420, 154155), (430, 150570), (450, 143878), (478, 135450), (516, 125475), (525, 123324), (602, 107550), (630, 102770), (645, 100380), (700, 92493), (717, 90300), (774, 83650), (860, 75285), (900, 71939), (903, 71700), (956, 67725), (1050, 61662), (1075, 60228), (1195, 54180), (1204, 53775), (1260, 51385), (1290, 50190), (1434, 45150), (1505, 43020), (1548, 41825), (1575, 41108), (1673, 38700), (1806, 35850), (1935, 33460), (2100, 30831), (2150, 30114), (2151, 30100), (2390, 27090), (2580, 25095), (2709, 23900), (2868, 22575), (3010, 21510), (3150, 20554), (3225, 20076), (3346, 19350), (3585, 18060), (3612, 17925), (3870, 16730), (4300, 15057), (4302, 15050), (4515, 14340), (4780, 13545), (5019, 12900), (5418, 11950), (5975, 10836), (6020, 10755), (6300, 10277), (6450, 10038), (6692, 9675), (7170, 9030), (7525, 8604), (7740, 8365)]