215017740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 240

約数和(自身を含む): 785148672

約数和(自身を除く): 570130932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 108, 126, 134, 135, 140, 162, 180, 189, 201, 210, 252, 268, 270, 283, 315, 324, 335, 378, 402, 405, 420, 469, 540, 566, 567, 603, 630, 670, 756, 804, 810, 849, 938, 945, 1005, 1132, 1134, 1206, 1260, 1340, 1407, 1415, 1620, 1698, 1809, 1876, 1890, 1981, 2010, 2268, 2345, 2412, 2547, 2814, 2830, 2835, 3015, 3396, 3618, 3780, 3962, 4020, 4221, 4245, 4690, 5094, 5427, 5628, 5660, 5670, 5943, 6030, 7035, 7236, 7641, 7924, 8442, 8490, 9045, 9380, 9905, 10188, 10854, 11340, 11886, 12060, 12663, 12735, 14070, 15282, 16884, 16980, 17829, 18090, 18961, 19810, 21105, 21708, 22923, 23772, 25326, 25470, 27135, 28140, 29715, 30564, 35658, 36180, 37922, 37989, 38205, 39620, 42210, 45846, 50652, 50940, 53487, 54270, 56883, 59430, 63315, 71316, 75844, 75978, 76410, 84420, 89145, 91692, 94805, 106974, 108540, 113766, 114615, 118860, 126630, 132727, 151956, 152820, 160461, 170649, 178290, 189610, 189945, 213948, 227532, 229230, 253260, 265454, 267435, 284415, 320922, 341298, 356580, 379220, 379890, 398181, 458460, 511947, 530908, 534870, 568830, 641844, 663635, 682596, 759780, 796362, 802305, 853245, 1023894, 1069740, 1137660, 1194543, 1327270, 1535841, 1592724, 1604610, 1706490, 1990905, 2047788, 2389086, 2559735, 2654540, 3071682, 3209220, 3412980, 3583629, 3981810, 4778172, 5119470, 5972715, 6143364, 7167258, 7679205, 7963620, 10238940, 10750887, 11945430, 14334516, 15358410, 17918145, 21501774, 23890860, 30716820, 35836290, 43003548, 53754435, 71672580, 107508870, 215017740]

約数ペア:

[(1, 215017740), (2, 107508870), (3, 71672580), (4, 53754435), (5, 43003548), (6, 35836290), (7, 30716820), (9, 23890860), (10, 21501774), (12, 17918145), (14, 15358410), (15, 14334516), (18, 11945430), (20, 10750887), (21, 10238940), (27, 7963620), (28, 7679205), (30, 7167258), (35, 6143364), (36, 5972715), (42, 5119470), (45, 4778172), (54, 3981810), (60, 3583629), (63, 3412980), (67, 3209220), (70, 3071682), (81, 2654540), (84, 2559735), (90, 2389086), (105, 2047788), (108, 1990905), (126, 1706490), (134, 1604610), (135, 1592724), (140, 1535841), (162, 1327270), (180, 1194543), (189, 1137660), (201, 1069740), (210, 1023894), (252, 853245), (268, 802305), (270, 796362), (283, 759780), (315, 682596), (324, 663635), (335, 641844), (378, 568830), (402, 534870), (405, 530908), (420, 511947), (469, 458460), (540, 398181), (566, 379890), (567, 379220), (603, 356580), (630, 341298), (670, 320922), (756, 284415), (804, 267435), (810, 265454), (849, 253260), (938, 229230), (945, 227532), (1005, 213948), (1132, 189945), (1134, 189610), (1206, 178290), (1260, 170649), (1340, 160461), (1407, 152820), (1415, 151956), (1620, 132727), (1698, 126630), (1809, 118860), (1876, 114615), (1890, 113766), (1981, 108540), (2010, 106974), (2268, 94805), (2345, 91692), (2412, 89145), (2547, 84420), (2814, 76410), (2830, 75978), (2835, 75844), (3015, 71316), (3396, 63315), (3618, 59430), (3780, 56883), (3962, 54270), (4020, 53487), (4221, 50940), (4245, 50652), (4690, 45846), (5094, 42210), (5427, 39620), (5628, 38205), (5660, 37989), (5670, 37922), (5943, 36180), (6030, 35658), (7035, 30564), (7236, 29715), (7641, 28140), (7924, 27135), (8442, 25470), (8490, 25326), (9045, 23772), (9380, 22923), (9905, 21708), (10188, 21105), (10854, 19810), (11340, 18961), (11886, 18090), (12060, 17829), (12663, 16980), (12735, 16884), (14070, 15282)]