245843640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1107

約数の個数: 256

約数和(自身を含む): 967680000

約数和(自身を除く): 721836360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 1049, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 2098, 2170, 2232, 2520, 2604, 2790, 3147, 3255, 3348, 3720, 3780, 3906, 4185, 4196, 4340, 5208, 5245, 5580, 5859, 6294, 6510, 6696, 7343, 7560, 7812, 8370, 8392, 8680, 9441, 9765, 10490, 11160, 11718, 12588, 13020, 14686, 15624, 15735, 16740, 18882, 19530, 20980, 22029, 23436, 25176, 26040, 28323, 29295, 29372, 31470, 32519, 33480, 36715, 37764, 39060, 41960, 44058, 46872, 47205, 56646, 58590, 58744, 62940, 65038, 66087, 73430, 75528, 78120, 88116, 94410, 97557, 110145, 113292, 117180, 125880, 130076, 132174, 141615, 146860, 162595, 176232, 188820, 195114, 198261, 220290, 226584, 227633, 234360, 260152, 264348, 283230, 292671, 293720, 325190, 330435, 377640, 390228, 396522, 440580, 455266, 487785, 528696, 566460, 585342, 650380, 660870, 682899, 780456, 793044, 878013, 881160, 910532, 975570, 991305, 1132920, 1138165, 1170684, 1300760, 1321740, 1365798, 1463355, 1586088, 1756026, 1821064, 1951140, 1982610, 2048697, 2276330, 2341368, 2643480, 2731596, 2926710, 3414495, 3512052, 3902280, 3965220, 4097394, 4390065, 4552660, 5463192, 5853420, 6146091, 6828990, 7024104, 7930440, 8194788, 8780130, 9105320, 10243485, 11706840, 12292182, 13657980, 16389576, 17560260, 20486970, 24584364, 27315960, 30730455, 35120520, 40973940, 49168728, 61460910, 81947880, 122921820, 245843640]

約数ペア:

[(1, 245843640), (2, 122921820), (3, 81947880), (4, 61460910), (5, 49168728), (6, 40973940), (7, 35120520), (8, 30730455), (9, 27315960), (10, 24584364), (12, 20486970), (14, 17560260), (15, 16389576), (18, 13657980), (20, 12292182), (21, 11706840), (24, 10243485), (27, 9105320), (28, 8780130), (30, 8194788), (31, 7930440), (35, 7024104), (36, 6828990), (40, 6146091), (42, 5853420), (45, 5463192), (54, 4552660), (56, 4390065), (60, 4097394), (62, 3965220), (63, 3902280), (70, 3512052), (72, 3414495), (84, 2926710), (90, 2731596), (93, 2643480), (105, 2341368), (108, 2276330), (120, 2048697), (124, 1982610), (126, 1951140), (135, 1821064), (140, 1756026), (155, 1586088), (168, 1463355), (180, 1365798), (186, 1321740), (189, 1300760), (210, 1170684), (216, 1138165), (217, 1132920), (248, 991305), (252, 975570), (270, 910532), (279, 881160), (280, 878013), (310, 793044), (315, 780456), (360, 682899), (372, 660870), (378, 650380), (420, 585342), (434, 566460), (465, 528696), (504, 487785), (540, 455266), (558, 440580), (620, 396522), (630, 390228), (651, 377640), (744, 330435), (756, 325190), (837, 293720), (840, 292671), (868, 283230), (930, 264348), (945, 260152), (1049, 234360), (1080, 227633), (1085, 226584), (1116, 220290), (1240, 198261), (1260, 195114), (1302, 188820), (1395, 176232), (1512, 162595), (1674, 146860), (1736, 141615), (1860, 132174), (1890, 130076), (1953, 125880), (2098, 117180), (2170, 113292), (2232, 110145), (2520, 97557), (2604, 94410), (2790, 88116), (3147, 78120), (3255, 75528), (3348, 73430), (3720, 66087), (3780, 65038), (3906, 62940), (4185, 58744), (4196, 58590), (4340, 56646), (5208, 47205), (5245, 46872), (5580, 44058), (5859, 41960), (6294, 39060), (6510, 37764), (6696, 36715), (7343, 33480), (7560, 32519), (7812, 31470), (8370, 29372), (8392, 29295), (8680, 28323), (9441, 26040), (9765, 25176), (10490, 23436), (11160, 22029), (11718, 20980), (12588, 19530), (13020, 18882), (14686, 16740), (15624, 15735)]