217157220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:344

約数の個数: 288

約数和(自身を含む): 815875200

約数和(自身を除く): 598717980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 49, 54, 58, 60, 63, 70, 84, 87, 90, 98, 105, 108, 116, 126, 135, 140, 145, 147, 174, 180, 189, 196, 203, 210, 245, 252, 261, 270, 283, 290, 294, 315, 348, 378, 406, 420, 435, 441, 490, 522, 540, 566, 580, 588, 609, 630, 735, 756, 783, 812, 849, 870, 882, 945, 980, 1015, 1044, 1132, 1218, 1260, 1305, 1323, 1415, 1421, 1470, 1566, 1698, 1740, 1764, 1827, 1890, 1981, 2030, 2205, 2436, 2547, 2610, 2646, 2830, 2842, 2940, 3045, 3132, 3396, 3654, 3780, 3915, 3962, 4060, 4245, 4263, 4410, 5094, 5220, 5292, 5481, 5660, 5684, 5943, 6090, 6615, 7105, 7308, 7641, 7830, 7924, 8207, 8490, 8526, 8820, 9135, 9905, 10188, 10962, 11886, 12180, 12735, 12789, 13230, 13867, 14210, 15282, 15660, 16414, 16980, 17052, 17829, 18270, 19810, 21315, 21924, 23772, 24621, 25470, 25578, 26460, 27405, 27734, 28420, 29715, 30564, 32828, 35658, 36540, 38205, 38367, 39620, 41035, 41601, 42630, 49242, 50940, 51156, 53487, 54810, 55468, 57449, 59430, 63945, 69335, 71316, 73863, 76410, 76734, 82070, 83202, 85260, 89145, 98484, 106974, 109620, 114898, 118860, 123105, 124803, 127890, 138670, 147726, 152820, 153468, 164140, 166404, 172347, 178290, 191835, 208005, 213948, 221589, 229796, 246210, 249606, 255780, 267435, 277340, 287245, 295452, 344694, 356580, 369315, 374409, 383670, 402143, 416010, 443178, 492420, 499212, 517041, 534870, 574490, 624015, 689388, 738630, 748818, 767340, 804286, 832020, 861735, 886356, 1034082, 1069740, 1107945, 1148980, 1206429, 1248030, 1477260, 1497636, 1551123, 1608572, 1723470, 1872045, 2010715, 2068164, 2215890, 2412858, 2496060, 2585205, 3102246, 3446940, 3619287, 3744090, 4021430, 4431780, 4825716, 5170410, 6032145, 6204492, 7238574, 7488180, 7755615, 8042860, 10340820, 10857861, 12064290, 14477148, 15511230, 18096435, 21715722, 24128580, 31022460, 36192870, 43431444, 54289305, 72385740, 108578610, 217157220]

約数ペア:

[(1, 217157220), (2, 108578610), (3, 72385740), (4, 54289305), (5, 43431444), (6, 36192870), (7, 31022460), (9, 24128580), (10, 21715722), (12, 18096435), (14, 15511230), (15, 14477148), (18, 12064290), (20, 10857861), (21, 10340820), (27, 8042860), (28, 7755615), (29, 7488180), (30, 7238574), (35, 6204492), (36, 6032145), (42, 5170410), (45, 4825716), (49, 4431780), (54, 4021430), (58, 3744090), (60, 3619287), (63, 3446940), (70, 3102246), (84, 2585205), (87, 2496060), (90, 2412858), (98, 2215890), (105, 2068164), (108, 2010715), (116, 1872045), (126, 1723470), (135, 1608572), (140, 1551123), (145, 1497636), (147, 1477260), (174, 1248030), (180, 1206429), (189, 1148980), (196, 1107945), (203, 1069740), (210, 1034082), (245, 886356), (252, 861735), (261, 832020), (270, 804286), (283, 767340), (290, 748818), (294, 738630), (315, 689388), (348, 624015), (378, 574490), (406, 534870), (420, 517041), (435, 499212), (441, 492420), (490, 443178), (522, 416010), (540, 402143), (566, 383670), (580, 374409), (588, 369315), (609, 356580), (630, 344694), (735, 295452), (756, 287245), (783, 277340), (812, 267435), (849, 255780), (870, 249606), (882, 246210), (945, 229796), (980, 221589), (1015, 213948), (1044, 208005), (1132, 191835), (1218, 178290), (1260, 172347), (1305, 166404), (1323, 164140), (1415, 153468), (1421, 152820), (1470, 147726), (1566, 138670), (1698, 127890), (1740, 124803), (1764, 123105), (1827, 118860), (1890, 114898), (1981, 109620), (2030, 106974), (2205, 98484), (2436, 89145), (2547, 85260), (2610, 83202), (2646, 82070), (2830, 76734), (2842, 76410), (2940, 73863), (3045, 71316), (3132, 69335), (3396, 63945), (3654, 59430), (3780, 57449), (3915, 55468), (3962, 54810), (4060, 53487), (4245, 51156), (4263, 50940), (4410, 49242), (5094, 42630), (5220, 41601), (5292, 41035), (5481, 39620), (5660, 38367), (5684, 38205), (5943, 36540), (6090, 35658), (6615, 32828), (7105, 30564), (7308, 29715), (7641, 28420), (7830, 27734), (7924, 27405), (8207, 26460), (8490, 25578), (8526, 25470), (8820, 24621), (9135, 23772), (9905, 21924), (10188, 21315), (10962, 19810), (11886, 18270), (12180, 17829), (12735, 17052), (12789, 16980), (13230, 16414), (13867, 15660), (14210, 15282)]