638066700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 216

約数和(自身を含む): 2131998960

約数和(自身を除く): 1493932260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 270, 281, 290, 300, 348, 435, 450, 522, 540, 562, 580, 675, 725, 783, 841, 843, 870, 900, 1044, 1124, 1305, 1350, 1405, 1450, 1566, 1682, 1686, 1740, 2175, 2523, 2529, 2610, 2700, 2810, 2900, 3132, 3364, 3372, 3915, 4205, 4215, 4350, 5046, 5058, 5220, 5620, 6525, 7025, 7569, 7587, 7830, 8149, 8410, 8430, 8700, 10092, 10116, 12615, 12645, 13050, 14050, 15138, 15174, 15660, 16298, 16820, 16860, 19575, 21025, 21075, 22707, 24447, 25230, 25290, 26100, 28100, 30276, 30348, 32596, 37845, 37935, 39150, 40745, 42050, 42150, 45414, 48894, 50460, 50580, 63075, 63225, 73341, 75690, 75870, 78300, 81490, 84100, 84300, 90828, 97788, 113535, 122235, 126150, 126450, 146682, 151380, 151740, 162980, 189225, 189675, 203725, 220023, 227070, 236321, 244470, 252300, 252900, 293364, 366705, 378450, 379350, 407450, 440046, 454140, 472642, 488940, 567675, 611175, 708963, 733410, 756900, 758700, 814900, 880092, 945284, 1100115, 1135350, 1181605, 1222350, 1417926, 1466820, 1833525, 2126889, 2200230, 2270700, 2363210, 2444700, 2835852, 3544815, 3667050, 4253778, 4400460, 4726420, 5500575, 5908025, 6380667, 7089630, 7334100, 8507556, 10634445, 11001150, 11816050, 12761334, 14179260, 17724075, 21268890, 22002300, 23632100, 25522668, 31903335, 35448150, 42537780, 53172225, 63806670, 70896300, 106344450, 127613340, 159516675, 212688900, 319033350, 638066700]

約数ペア:

[(1, 638066700), (2, 319033350), (3, 212688900), (4, 159516675), (5, 127613340), (6, 106344450), (9, 70896300), (10, 63806670), (12, 53172225), (15, 42537780), (18, 35448150), (20, 31903335), (25, 25522668), (27, 23632100), (29, 22002300), (30, 21268890), (36, 17724075), (45, 14179260), (50, 12761334), (54, 11816050), (58, 11001150), (60, 10634445), (75, 8507556), (87, 7334100), (90, 7089630), (100, 6380667), (108, 5908025), (116, 5500575), (135, 4726420), (145, 4400460), (150, 4253778), (174, 3667050), (180, 3544815), (225, 2835852), (261, 2444700), (270, 2363210), (281, 2270700), (290, 2200230), (300, 2126889), (348, 1833525), (435, 1466820), (450, 1417926), (522, 1222350), (540, 1181605), (562, 1135350), (580, 1100115), (675, 945284), (725, 880092), (783, 814900), (841, 758700), (843, 756900), (870, 733410), (900, 708963), (1044, 611175), (1124, 567675), (1305, 488940), (1350, 472642), (1405, 454140), (1450, 440046), (1566, 407450), (1682, 379350), (1686, 378450), (1740, 366705), (2175, 293364), (2523, 252900), (2529, 252300), (2610, 244470), (2700, 236321), (2810, 227070), (2900, 220023), (3132, 203725), (3364, 189675), (3372, 189225), (3915, 162980), (4205, 151740), (4215, 151380), (4350, 146682), (5046, 126450), (5058, 126150), (5220, 122235), (5620, 113535), (6525, 97788), (7025, 90828), (7569, 84300), (7587, 84100), (7830, 81490), (8149, 78300), (8410, 75870), (8430, 75690), (8700, 73341), (10092, 63225), (10116, 63075), (12615, 50580), (12645, 50460), (13050, 48894), (14050, 45414), (15138, 42150), (15174, 42050), (15660, 40745), (16298, 39150), (16820, 37935), (16860, 37845), (19575, 32596), (21025, 30348), (21075, 30276), (22707, 28100), (24447, 26100), (25230, 25290)]