2489241720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1038

約数の個数: 256

約数和(自身を含む): 8900812800

約数和(自身を除く): 6411571080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 109, 120, 124, 140, 155, 168, 186, 210, 217, 218, 248, 280, 310, 327, 372, 420, 434, 436, 465, 545, 620, 651, 654, 744, 763, 840, 868, 872, 877, 930, 1085, 1090, 1240, 1302, 1308, 1526, 1635, 1736, 1754, 1860, 2170, 2180, 2289, 2604, 2616, 2631, 3052, 3255, 3270, 3379, 3508, 3720, 3815, 4340, 4360, 4385, 4578, 5208, 5262, 6104, 6139, 6510, 6540, 6758, 7016, 7630, 8680, 8770, 9156, 10137, 10524, 11445, 12278, 13020, 13080, 13155, 13516, 15260, 16895, 17540, 18312, 18417, 20274, 21048, 22890, 23653, 24556, 26040, 26310, 27032, 27187, 30520, 30695, 33790, 35080, 36834, 40548, 45780, 47306, 49112, 50685, 52620, 54374, 61390, 67580, 70959, 73668, 81096, 81561, 91560, 92085, 94612, 95593, 101370, 105240, 108748, 118265, 122780, 135160, 135935, 141918, 147336, 163122, 184170, 189224, 190309, 191186, 202740, 217496, 236530, 245560, 271870, 283836, 286779, 326244, 354795, 368340, 380618, 382372, 405480, 407805, 473060, 477965, 543740, 567672, 570927, 573558, 652488, 669151, 709590, 736680, 761236, 764744, 815610, 946120, 951545, 955930, 1087480, 1141854, 1147116, 1338302, 1419180, 1433895, 1522472, 1631220, 1903090, 1911860, 2007453, 2283708, 2294232, 2676604, 2838360, 2854635, 2867790, 2963383, 3262440, 3345755, 3806180, 3823720, 4014906, 4567416, 5353208, 5709270, 5735580, 5926766, 6691510, 7612360, 8029812, 8890149, 10037265, 11418540, 11471160, 11853532, 13383020, 14816915, 16059624, 17780298, 20074530, 20743681, 22837080, 23707064, 26766040, 29633830, 35560596, 40149060, 41487362, 44450745, 59267660, 62231043, 71121192, 80298120, 82974724, 88901490, 103718405, 118535320, 124462086, 165949448, 177802980, 207436810, 248924172, 311155215, 355605960, 414873620, 497848344, 622310430, 829747240, 1244620860, 2489241720]

約数ペア:

[(1, 2489241720), (2, 1244620860), (3, 829747240), (4, 622310430), (5, 497848344), (6, 414873620), (7, 355605960), (8, 311155215), (10, 248924172), (12, 207436810), (14, 177802980), (15, 165949448), (20, 124462086), (21, 118535320), (24, 103718405), (28, 88901490), (30, 82974724), (31, 80298120), (35, 71121192), (40, 62231043), (42, 59267660), (56, 44450745), (60, 41487362), (62, 40149060), (70, 35560596), (84, 29633830), (93, 26766040), (105, 23707064), (109, 22837080), (120, 20743681), (124, 20074530), (140, 17780298), (155, 16059624), (168, 14816915), (186, 13383020), (210, 11853532), (217, 11471160), (218, 11418540), (248, 10037265), (280, 8890149), (310, 8029812), (327, 7612360), (372, 6691510), (420, 5926766), (434, 5735580), (436, 5709270), (465, 5353208), (545, 4567416), (620, 4014906), (651, 3823720), (654, 3806180), (744, 3345755), (763, 3262440), (840, 2963383), (868, 2867790), (872, 2854635), (877, 2838360), (930, 2676604), (1085, 2294232), (1090, 2283708), (1240, 2007453), (1302, 1911860), (1308, 1903090), (1526, 1631220), (1635, 1522472), (1736, 1433895), (1754, 1419180), (1860, 1338302), (2170, 1147116), (2180, 1141854), (2289, 1087480), (2604, 955930), (2616, 951545), (2631, 946120), (3052, 815610), (3255, 764744), (3270, 761236), (3379, 736680), (3508, 709590), (3720, 669151), (3815, 652488), (4340, 573558), (4360, 570927), (4385, 567672), (4578, 543740), (5208, 477965), (5262, 473060), (6104, 407805), (6139, 405480), (6510, 382372), (6540, 380618), (6758, 368340), (7016, 354795), (7630, 326244), (8680, 286779), (8770, 283836), (9156, 271870), (10137, 245560), (10524, 236530), (11445, 217496), (12278, 202740), (13020, 191186), (13080, 190309), (13155, 189224), (13516, 184170), (15260, 163122), (16895, 147336), (17540, 141918), (18312, 135935), (18417, 135160), (20274, 122780), (21048, 118265), (22890, 108748), (23653, 105240), (24556, 101370), (26040, 95593), (26310, 94612), (27032, 92085), (27187, 91560), (30520, 81561), (30695, 81096), (33790, 73668), (35080, 70959), (36834, 67580), (40548, 61390), (45780, 54374), (47306, 52620), (49112, 50685)]