218606640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:700

約数の個数: 240

約数和(自身を含む): 816778080

約数和(自身を除く): 598171440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 240, 245, 280, 290, 294, 336, 348, 392, 406, 420, 435, 464, 490, 560, 580, 588, 609, 641, 696, 735, 784, 812, 840, 870, 980, 1015, 1160, 1176, 1218, 1282, 1392, 1421, 1470, 1624, 1680, 1740, 1923, 1960, 2030, 2320, 2352, 2436, 2564, 2842, 2940, 3045, 3205, 3248, 3480, 3846, 3920, 4060, 4263, 4487, 4872, 5128, 5684, 5880, 6090, 6410, 6960, 7105, 7692, 8120, 8526, 8974, 9615, 9744, 10256, 11368, 11760, 12180, 12820, 13461, 14210, 15384, 16240, 17052, 17948, 18589, 19230, 21315, 22435, 22736, 24360, 25640, 26922, 28420, 30768, 31409, 34104, 35896, 37178, 38460, 42630, 44870, 48720, 51280, 53844, 55767, 56840, 62818, 67305, 68208, 71792, 74356, 76920, 85260, 89740, 92945, 94227, 107688, 111534, 113680, 125636, 130123, 134610, 148712, 153840, 157045, 170520, 179480, 185890, 188454, 215376, 223068, 251272, 260246, 269220, 278835, 297424, 314090, 341040, 358960, 371780, 376908, 390369, 446136, 471135, 502544, 520492, 538440, 557670, 628180, 650615, 743560, 753816, 780738, 892272, 910861, 942270, 1040984, 1076880, 1115340, 1256360, 1301230, 1487120, 1507632, 1561476, 1821722, 1884540, 1951845, 2081968, 2230680, 2512720, 2602460, 2732583, 3122952, 3643444, 3769080, 3903690, 4461360, 4554305, 5204920, 5465166, 6245904, 7286888, 7538160, 7807380, 9108610, 10409840, 10930332, 13662915, 14573776, 15614760, 18217220, 21860664, 27325830, 31229520, 36434440, 43721328, 54651660, 72868880, 109303320, 218606640]

約数ペア:

[(1, 218606640), (2, 109303320), (3, 72868880), (4, 54651660), (5, 43721328), (6, 36434440), (7, 31229520), (8, 27325830), (10, 21860664), (12, 18217220), (14, 15614760), (15, 14573776), (16, 13662915), (20, 10930332), (21, 10409840), (24, 9108610), (28, 7807380), (29, 7538160), (30, 7286888), (35, 6245904), (40, 5465166), (42, 5204920), (48, 4554305), (49, 4461360), (56, 3903690), (58, 3769080), (60, 3643444), (70, 3122952), (80, 2732583), (84, 2602460), (87, 2512720), (98, 2230680), (105, 2081968), (112, 1951845), (116, 1884540), (120, 1821722), (140, 1561476), (145, 1507632), (147, 1487120), (168, 1301230), (174, 1256360), (196, 1115340), (203, 1076880), (210, 1040984), (232, 942270), (240, 910861), (245, 892272), (280, 780738), (290, 753816), (294, 743560), (336, 650615), (348, 628180), (392, 557670), (406, 538440), (420, 520492), (435, 502544), (464, 471135), (490, 446136), (560, 390369), (580, 376908), (588, 371780), (609, 358960), (641, 341040), (696, 314090), (735, 297424), (784, 278835), (812, 269220), (840, 260246), (870, 251272), (980, 223068), (1015, 215376), (1160, 188454), (1176, 185890), (1218, 179480), (1282, 170520), (1392, 157045), (1421, 153840), (1470, 148712), (1624, 134610), (1680, 130123), (1740, 125636), (1923, 113680), (1960, 111534), (2030, 107688), (2320, 94227), (2352, 92945), (2436, 89740), (2564, 85260), (2842, 76920), (2940, 74356), (3045, 71792), (3205, 68208), (3248, 67305), (3480, 62818), (3846, 56840), (3920, 55767), (4060, 53844), (4263, 51280), (4487, 48720), (4872, 44870), (5128, 42630), (5684, 38460), (5880, 37178), (6090, 35896), (6410, 34104), (6960, 31409), (7105, 30768), (7692, 28420), (8120, 26922), (8526, 25640), (8974, 24360), (9615, 22736), (9744, 22435), (10256, 21315), (11368, 19230), (11760, 18589), (12180, 17948), (12820, 17052), (13461, 16240), (14210, 15384)]