212750720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 631657440

約数和(自身を除く): 418906720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 260, 280, 281, 320, 338, 364, 416, 448, 455, 520, 560, 562, 640, 676, 728, 832, 845, 896, 910, 1040, 1120, 1124, 1183, 1352, 1405, 1456, 1664, 1690, 1820, 1967, 2080, 2240, 2248, 2366, 2704, 2810, 2912, 3380, 3640, 3653, 3934, 4160, 4480, 4496, 4732, 5408, 5620, 5824, 5915, 6760, 7280, 7306, 7868, 8320, 8992, 9464, 9835, 10816, 11240, 11648, 11830, 13520, 14560, 14612, 15736, 17984, 18265, 18928, 19670, 21632, 22480, 23660, 25571, 27040, 29120, 29224, 31472, 35968, 36530, 37856, 39340, 44960, 47320, 47489, 51142, 54080, 58240, 58448, 62944, 73060, 75712, 78680, 89920, 94640, 94978, 102284, 108160, 116896, 125888, 127855, 146120, 151424, 157360, 179840, 189280, 189956, 204568, 233792, 237445, 251776, 255710, 292240, 314720, 332423, 378560, 379912, 409136, 467584, 474890, 511420, 584480, 629440, 664846, 757120, 759824, 818272, 949780, 1022840, 1168960, 1258880, 1329692, 1519648, 1636544, 1662115, 1899560, 2045680, 2337920, 2659384, 3039296, 3273088, 3324230, 3799120, 4091360, 5318768, 6078592, 6648460, 7598240, 8182720, 10637536, 13296920, 15196480, 16365440, 21275072, 26593840, 30392960, 42550144, 53187680, 106375360, 212750720]

約数ペア:

[(1, 212750720), (2, 106375360), (4, 53187680), (5, 42550144), (7, 30392960), (8, 26593840), (10, 21275072), (13, 16365440), (14, 15196480), (16, 13296920), (20, 10637536), (26, 8182720), (28, 7598240), (32, 6648460), (35, 6078592), (40, 5318768), (52, 4091360), (56, 3799120), (64, 3324230), (65, 3273088), (70, 3039296), (80, 2659384), (91, 2337920), (104, 2045680), (112, 1899560), (128, 1662115), (130, 1636544), (140, 1519648), (160, 1329692), (169, 1258880), (182, 1168960), (208, 1022840), (224, 949780), (260, 818272), (280, 759824), (281, 757120), (320, 664846), (338, 629440), (364, 584480), (416, 511420), (448, 474890), (455, 467584), (520, 409136), (560, 379912), (562, 378560), (640, 332423), (676, 314720), (728, 292240), (832, 255710), (845, 251776), (896, 237445), (910, 233792), (1040, 204568), (1120, 189956), (1124, 189280), (1183, 179840), (1352, 157360), (1405, 151424), (1456, 146120), (1664, 127855), (1690, 125888), (1820, 116896), (1967, 108160), (2080, 102284), (2240, 94978), (2248, 94640), (2366, 89920), (2704, 78680), (2810, 75712), (2912, 73060), (3380, 62944), (3640, 58448), (3653, 58240), (3934, 54080), (4160, 51142), (4480, 47489), (4496, 47320), (4732, 44960), (5408, 39340), (5620, 37856), (5824, 36530), (5915, 35968), (6760, 31472), (7280, 29224), (7306, 29120), (7868, 27040), (8320, 25571), (8992, 23660), (9464, 22480), (9835, 21632), (10816, 19670), (11240, 18928), (11648, 18265), (11830, 17984), (13520, 15736), (14560, 14612)]