251656020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 288

約数和(自身を含む): 969486336

約数和(自身を除く): 717830316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 67, 70, 77, 84, 90, 99, 105, 110, 126, 132, 134, 140, 154, 165, 180, 198, 201, 210, 220, 231, 252, 268, 271, 308, 315, 330, 335, 385, 396, 402, 420, 462, 469, 495, 542, 603, 630, 660, 670, 693, 737, 770, 804, 813, 924, 938, 990, 1005, 1084, 1155, 1206, 1260, 1340, 1355, 1386, 1407, 1474, 1540, 1626, 1876, 1897, 1980, 2010, 2211, 2310, 2345, 2412, 2439, 2710, 2772, 2814, 2948, 2981, 3015, 3252, 3465, 3685, 3794, 4020, 4065, 4221, 4422, 4620, 4690, 4878, 5159, 5420, 5628, 5691, 5962, 6030, 6633, 6930, 7035, 7370, 7588, 8130, 8442, 8844, 8943, 9380, 9485, 9756, 10318, 11055, 11382, 11924, 12060, 12195, 13266, 13860, 14070, 14740, 14905, 15477, 16260, 16884, 17073, 17886, 18157, 18970, 20636, 20867, 21105, 22110, 22764, 24390, 25795, 26532, 26829, 28140, 28455, 29810, 30954, 33165, 34146, 35772, 36314, 37940, 41734, 42210, 44220, 44715, 46431, 48780, 51590, 53658, 54471, 56910, 59620, 61908, 62601, 66330, 68292, 72628, 77385, 83468, 84420, 85365, 89430, 90785, 92862, 103180, 104335, 107316, 108942, 113820, 125202, 127099, 132660, 134145, 154770, 163413, 170730, 178860, 181570, 185724, 187803, 199727, 208670, 217884, 232155, 250404, 254198, 268290, 272355, 309540, 313005, 326826, 341460, 363140, 375606, 381297, 399454, 417340, 464310, 508396, 536580, 544710, 599181, 626010, 635495, 653652, 751212, 762594, 798908, 817065, 928620, 939015, 998635, 1089420, 1143891, 1198362, 1252020, 1270990, 1398089, 1525188, 1634130, 1797543, 1878030, 1906485, 1997270, 2287782, 2396724, 2541980, 2796178, 2995905, 3268260, 3595086, 3756060, 3812970, 3994540, 4194267, 4575564, 5592356, 5719455, 5991810, 6990445, 7190172, 7625940, 8388534, 8987715, 11438910, 11983620, 12582801, 13980890, 16777068, 17975430, 20971335, 22877820, 25165602, 27961780, 35950860, 41942670, 50331204, 62914005, 83885340, 125828010, 251656020]

約数ペア:

[(1, 251656020), (2, 125828010), (3, 83885340), (4, 62914005), (5, 50331204), (6, 41942670), (7, 35950860), (9, 27961780), (10, 25165602), (11, 22877820), (12, 20971335), (14, 17975430), (15, 16777068), (18, 13980890), (20, 12582801), (21, 11983620), (22, 11438910), (28, 8987715), (30, 8388534), (33, 7625940), (35, 7190172), (36, 6990445), (42, 5991810), (44, 5719455), (45, 5592356), (55, 4575564), (60, 4194267), (63, 3994540), (66, 3812970), (67, 3756060), (70, 3595086), (77, 3268260), (84, 2995905), (90, 2796178), (99, 2541980), (105, 2396724), (110, 2287782), (126, 1997270), (132, 1906485), (134, 1878030), (140, 1797543), (154, 1634130), (165, 1525188), (180, 1398089), (198, 1270990), (201, 1252020), (210, 1198362), (220, 1143891), (231, 1089420), (252, 998635), (268, 939015), (271, 928620), (308, 817065), (315, 798908), (330, 762594), (335, 751212), (385, 653652), (396, 635495), (402, 626010), (420, 599181), (462, 544710), (469, 536580), (495, 508396), (542, 464310), (603, 417340), (630, 399454), (660, 381297), (670, 375606), (693, 363140), (737, 341460), (770, 326826), (804, 313005), (813, 309540), (924, 272355), (938, 268290), (990, 254198), (1005, 250404), (1084, 232155), (1155, 217884), (1206, 208670), (1260, 199727), (1340, 187803), (1355, 185724), (1386, 181570), (1407, 178860), (1474, 170730), (1540, 163413), (1626, 154770), (1876, 134145), (1897, 132660), (1980, 127099), (2010, 125202), (2211, 113820), (2310, 108942), (2345, 107316), (2412, 104335), (2439, 103180), (2710, 92862), (2772, 90785), (2814, 89430), (2948, 85365), (2981, 84420), (3015, 83468), (3252, 77385), (3465, 72628), (3685, 68292), (3794, 66330), (4020, 62601), (4065, 61908), (4221, 59620), (4422, 56910), (4620, 54471), (4690, 53658), (4878, 51590), (5159, 48780), (5420, 46431), (5628, 44715), (5691, 44220), (5962, 42210), (6030, 41734), (6633, 37940), (6930, 36314), (7035, 35772), (7370, 34146), (7588, 33165), (8130, 30954), (8442, 29810), (8844, 28455), (8943, 28140), (9380, 26829), (9485, 26532), (9756, 25795), (10318, 24390), (11055, 22764), (11382, 22110), (11924, 21105), (12060, 20867), (12195, 20636), (13266, 18970), (13860, 18157), (14070, 17886), (14740, 17073), (14905, 16884), (15477, 16260)]