261016560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 320

約数和(自身を含む): 1048028160

約数和(自身を除く): 787011600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 122, 126, 135, 140, 144, 168, 180, 183, 189, 210, 216, 240, 244, 252, 270, 280, 283, 305, 315, 336, 360, 366, 378, 420, 427, 432, 488, 504, 540, 549, 560, 566, 610, 630, 720, 732, 756, 840, 849, 854, 915, 945, 976, 1008, 1080, 1098, 1132, 1220, 1260, 1281, 1415, 1464, 1512, 1647, 1680, 1698, 1708, 1830, 1890, 1981, 2135, 2160, 2196, 2264, 2440, 2520, 2547, 2562, 2745, 2830, 2928, 3024, 3294, 3396, 3416, 3660, 3780, 3843, 3962, 4245, 4270, 4392, 4528, 4880, 5040, 5094, 5124, 5490, 5660, 5943, 6405, 6588, 6792, 6832, 7320, 7560, 7641, 7686, 7924, 8235, 8490, 8540, 8784, 9905, 10188, 10248, 10980, 11320, 11529, 11886, 12735, 12810, 13176, 13584, 14640, 15120, 15282, 15372, 15848, 16470, 16980, 17080, 17263, 17829, 19215, 19810, 20376, 20496, 21960, 22640, 23058, 23772, 25470, 25620, 26352, 29715, 30564, 30744, 31696, 32940, 33960, 34160, 34526, 35658, 38205, 38430, 39620, 40752, 43920, 46116, 47544, 50940, 51240, 51789, 53487, 57645, 59430, 61128, 61488, 65880, 67920, 69052, 71316, 76410, 76860, 79240, 86315, 89145, 92232, 95088, 101880, 102480, 103578, 106974, 115290, 118860, 120841, 122256, 131760, 138104, 142632, 152820, 153720, 155367, 158480, 172630, 178290, 184464, 203760, 207156, 213948, 230580, 237720, 241682, 258945, 267435, 276208, 285264, 305640, 307440, 310734, 345260, 356580, 362523, 414312, 427896, 461160, 466101, 475440, 483364, 517890, 534870, 604205, 611280, 621468, 690520, 713160, 725046, 776835, 828624, 855792, 922320, 932202, 966728, 1035780, 1069740, 1087569, 1208410, 1242936, 1381040, 1426320, 1450092, 1553670, 1812615, 1864404, 1933456, 2071560, 2139480, 2175138, 2330505, 2416820, 2485872, 2900184, 3107340, 3262707, 3625230, 3728808, 4143120, 4278960, 4350276, 4661010, 4833640, 5437845, 5800368, 6214680, 6525414, 7250460, 7457616, 8700552, 9322020, 9667280, 10875690, 12429360, 13050828, 14500920, 16313535, 17401104, 18644040, 21751380, 26101656, 29001840, 32627070, 37288080, 43502760, 52203312, 65254140, 87005520, 130508280, 261016560]

約数ペア:

[(1, 261016560), (2, 130508280), (3, 87005520), (4, 65254140), (5, 52203312), (6, 43502760), (7, 37288080), (8, 32627070), (9, 29001840), (10, 26101656), (12, 21751380), (14, 18644040), (15, 17401104), (16, 16313535), (18, 14500920), (20, 13050828), (21, 12429360), (24, 10875690), (27, 9667280), (28, 9322020), (30, 8700552), (35, 7457616), (36, 7250460), (40, 6525414), (42, 6214680), (45, 5800368), (48, 5437845), (54, 4833640), (56, 4661010), (60, 4350276), (61, 4278960), (63, 4143120), (70, 3728808), (72, 3625230), (80, 3262707), (84, 3107340), (90, 2900184), (105, 2485872), (108, 2416820), (112, 2330505), (120, 2175138), (122, 2139480), (126, 2071560), (135, 1933456), (140, 1864404), (144, 1812615), (168, 1553670), (180, 1450092), (183, 1426320), (189, 1381040), (210, 1242936), (216, 1208410), (240, 1087569), (244, 1069740), (252, 1035780), (270, 966728), (280, 932202), (283, 922320), (305, 855792), (315, 828624), (336, 776835), (360, 725046), (366, 713160), (378, 690520), (420, 621468), (427, 611280), (432, 604205), (488, 534870), (504, 517890), (540, 483364), (549, 475440), (560, 466101), (566, 461160), (610, 427896), (630, 414312), (720, 362523), (732, 356580), (756, 345260), (840, 310734), (849, 307440), (854, 305640), (915, 285264), (945, 276208), (976, 267435), (1008, 258945), (1080, 241682), (1098, 237720), (1132, 230580), (1220, 213948), (1260, 207156), (1281, 203760), (1415, 184464), (1464, 178290), (1512, 172630), (1647, 158480), (1680, 155367), (1698, 153720), (1708, 152820), (1830, 142632), (1890, 138104), (1981, 131760), (2135, 122256), (2160, 120841), (2196, 118860), (2264, 115290), (2440, 106974), (2520, 103578), (2547, 102480), (2562, 101880), (2745, 95088), (2830, 92232), (2928, 89145), (3024, 86315), (3294, 79240), (3396, 76860), (3416, 76410), (3660, 71316), (3780, 69052), (3843, 67920), (3962, 65880), (4245, 61488), (4270, 61128), (4392, 59430), (4528, 57645), (4880, 53487), (5040, 51789), (5094, 51240), (5124, 50940), (5490, 47544), (5660, 46116), (5943, 43920), (6405, 40752), (6588, 39620), (6792, 38430), (6832, 38205), (7320, 35658), (7560, 34526), (7641, 34160), (7686, 33960), (7924, 32940), (8235, 31696), (8490, 30744), (8540, 30564), (8784, 29715), (9905, 26352), (10188, 25620), (10248, 25470), (10980, 23772), (11320, 23058), (11529, 22640), (11886, 21960), (12735, 20496), (12810, 20376), (13176, 19810), (13584, 19215), (14640, 17829), (15120, 17263), (15282, 17080), (15372, 16980), (15848, 16470)]