290748780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 288

約数和(自身を含む): 1066665600

約数和(自身を除く): 775916820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 73, 84, 87, 90, 105, 109, 116, 126, 140, 145, 146, 174, 180, 203, 210, 218, 219, 252, 261, 290, 292, 315, 327, 348, 365, 406, 420, 435, 436, 438, 511, 522, 545, 580, 609, 630, 654, 657, 730, 763, 812, 870, 876, 981, 1015, 1022, 1044, 1090, 1095, 1218, 1260, 1305, 1308, 1314, 1460, 1526, 1533, 1635, 1740, 1827, 1962, 2030, 2044, 2117, 2180, 2190, 2289, 2436, 2555, 2610, 2628, 3045, 3052, 3066, 3161, 3270, 3285, 3654, 3815, 3924, 4060, 4234, 4380, 4578, 4599, 4905, 5110, 5220, 6090, 6132, 6322, 6351, 6540, 6570, 6867, 7308, 7630, 7665, 7957, 8468, 9135, 9156, 9198, 9483, 9810, 10220, 10585, 11445, 12180, 12644, 12702, 13140, 13734, 14819, 15260, 15330, 15805, 15914, 18270, 18396, 18966, 19053, 19620, 21170, 22127, 22890, 22995, 23871, 25404, 27468, 28449, 29638, 30660, 31610, 31755, 31828, 34335, 36540, 37932, 38106, 39785, 42340, 44254, 44457, 45780, 45990, 47415, 47742, 55699, 56898, 59276, 63220, 63510, 66381, 68670, 71613, 74095, 76212, 79570, 88508, 88914, 91980, 94830, 95265, 95484, 110635, 111398, 113796, 119355, 127020, 132762, 133371, 137340, 142245, 143226, 148190, 159140, 167097, 177828, 189660, 190530, 199143, 221270, 222285, 222796, 230753, 238710, 265524, 266742, 278495, 284490, 286452, 296380, 331905, 334194, 358065, 381060, 398286, 442540, 444570, 461506, 477420, 501291, 533484, 556990, 568980, 663810, 666855, 668388, 692259, 716130, 796572, 835485, 889140, 923012, 995715, 1002582, 1113980, 1153765, 1327620, 1333710, 1384518, 1432260, 1615271, 1670970, 1991430, 2005164, 2076777, 2307530, 2506455, 2667420, 2769036, 3230542, 3341940, 3461295, 3982860, 4153554, 4615060, 4845813, 5012910, 6461084, 6922590, 8076355, 8307108, 9691626, 10025820, 10383885, 13845180, 14537439, 16152710, 19383252, 20767770, 24229065, 29074878, 32305420, 41535540, 48458130, 58149756, 72687195, 96916260, 145374390, 290748780]

約数ペア:

[(1, 290748780), (2, 145374390), (3, 96916260), (4, 72687195), (5, 58149756), (6, 48458130), (7, 41535540), (9, 32305420), (10, 29074878), (12, 24229065), (14, 20767770), (15, 19383252), (18, 16152710), (20, 14537439), (21, 13845180), (28, 10383885), (29, 10025820), (30, 9691626), (35, 8307108), (36, 8076355), (42, 6922590), (45, 6461084), (58, 5012910), (60, 4845813), (63, 4615060), (70, 4153554), (73, 3982860), (84, 3461295), (87, 3341940), (90, 3230542), (105, 2769036), (109, 2667420), (116, 2506455), (126, 2307530), (140, 2076777), (145, 2005164), (146, 1991430), (174, 1670970), (180, 1615271), (203, 1432260), (210, 1384518), (218, 1333710), (219, 1327620), (252, 1153765), (261, 1113980), (290, 1002582), (292, 995715), (315, 923012), (327, 889140), (348, 835485), (365, 796572), (406, 716130), (420, 692259), (435, 668388), (436, 666855), (438, 663810), (511, 568980), (522, 556990), (545, 533484), (580, 501291), (609, 477420), (630, 461506), (654, 444570), (657, 442540), (730, 398286), (763, 381060), (812, 358065), (870, 334194), (876, 331905), (981, 296380), (1015, 286452), (1022, 284490), (1044, 278495), (1090, 266742), (1095, 265524), (1218, 238710), (1260, 230753), (1305, 222796), (1308, 222285), (1314, 221270), (1460, 199143), (1526, 190530), (1533, 189660), (1635, 177828), (1740, 167097), (1827, 159140), (1962, 148190), (2030, 143226), (2044, 142245), (2117, 137340), (2180, 133371), (2190, 132762), (2289, 127020), (2436, 119355), (2555, 113796), (2610, 111398), (2628, 110635), (3045, 95484), (3052, 95265), (3066, 94830), (3161, 91980), (3270, 88914), (3285, 88508), (3654, 79570), (3815, 76212), (3924, 74095), (4060, 71613), (4234, 68670), (4380, 66381), (4578, 63510), (4599, 63220), (4905, 59276), (5110, 56898), (5220, 55699), (6090, 47742), (6132, 47415), (6322, 45990), (6351, 45780), (6540, 44457), (6570, 44254), (6867, 42340), (7308, 39785), (7630, 38106), (7665, 37932), (7957, 36540), (8468, 34335), (9135, 31828), (9156, 31755), (9198, 31610), (9483, 30660), (9810, 29638), (10220, 28449), (10585, 27468), (11445, 25404), (12180, 23871), (12644, 22995), (12702, 22890), (13140, 22127), (13734, 21170), (14819, 19620), (15260, 19053), (15330, 18966), (15805, 18396), (15914, 18270)]