281413860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 288

約数和(自身を含む): 1018886400

約数和(自身を除く): 737472540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 49, 52, 60, 65, 70, 74, 78, 84, 91, 98, 105, 111, 130, 140, 147, 148, 156, 182, 185, 195, 196, 199, 210, 222, 245, 259, 260, 273, 294, 364, 370, 390, 398, 420, 444, 455, 481, 490, 518, 546, 555, 588, 597, 637, 735, 740, 777, 780, 796, 910, 962, 980, 995, 1036, 1092, 1110, 1194, 1274, 1295, 1365, 1393, 1443, 1470, 1554, 1813, 1820, 1911, 1924, 1990, 2220, 2388, 2405, 2548, 2587, 2590, 2730, 2786, 2886, 2940, 2985, 3108, 3185, 3367, 3626, 3822, 3885, 3980, 4179, 4810, 5174, 5180, 5439, 5460, 5572, 5772, 5970, 6370, 6734, 6965, 7215, 7252, 7363, 7644, 7761, 7770, 8358, 9065, 9555, 9620, 9751, 10101, 10348, 10878, 11940, 12740, 12935, 13468, 13930, 14430, 14726, 15522, 15540, 16716, 16835, 18109, 18130, 19110, 19502, 20202, 20895, 21756, 22089, 23569, 25870, 27195, 27860, 28860, 29253, 29452, 31044, 33670, 36218, 36260, 36815, 38220, 38805, 39004, 40404, 41790, 44178, 47138, 48755, 50505, 51541, 51740, 54327, 54390, 58506, 67340, 70707, 72436, 73630, 77610, 83580, 88356, 90545, 94276, 95719, 97510, 101010, 103082, 108654, 108780, 110445, 117012, 117845, 126763, 141414, 146265, 147260, 154623, 155220, 181090, 191438, 195020, 202020, 206164, 217308, 220890, 235690, 253526, 257705, 271635, 282828, 287157, 292530, 309246, 353535, 360787, 362180, 380289, 382876, 441780, 471380, 478595, 507052, 515410, 543270, 574314, 585060, 618492, 633815, 670033, 707070, 721574, 760578, 773115, 957190, 1030820, 1082361, 1086540, 1148628, 1267630, 1340066, 1414140, 1435785, 1443148, 1521156, 1546230, 1803935, 1901445, 1914380, 2010099, 2164722, 2535260, 2680132, 2871570, 3092460, 3350165, 3607870, 3802890, 4020198, 4329444, 4690231, 5411805, 5743140, 6700330, 7215740, 7605780, 8040396, 9380462, 10050495, 10823610, 13400660, 14070693, 18760924, 20100990, 21647220, 23451155, 28141386, 40201980, 46902310, 56282772, 70353465, 93804620, 140706930, 281413860]

約数ペア:

[(1, 281413860), (2, 140706930), (3, 93804620), (4, 70353465), (5, 56282772), (6, 46902310), (7, 40201980), (10, 28141386), (12, 23451155), (13, 21647220), (14, 20100990), (15, 18760924), (20, 14070693), (21, 13400660), (26, 10823610), (28, 10050495), (30, 9380462), (35, 8040396), (37, 7605780), (39, 7215740), (42, 6700330), (49, 5743140), (52, 5411805), (60, 4690231), (65, 4329444), (70, 4020198), (74, 3802890), (78, 3607870), (84, 3350165), (91, 3092460), (98, 2871570), (105, 2680132), (111, 2535260), (130, 2164722), (140, 2010099), (147, 1914380), (148, 1901445), (156, 1803935), (182, 1546230), (185, 1521156), (195, 1443148), (196, 1435785), (199, 1414140), (210, 1340066), (222, 1267630), (245, 1148628), (259, 1086540), (260, 1082361), (273, 1030820), (294, 957190), (364, 773115), (370, 760578), (390, 721574), (398, 707070), (420, 670033), (444, 633815), (455, 618492), (481, 585060), (490, 574314), (518, 543270), (546, 515410), (555, 507052), (588, 478595), (597, 471380), (637, 441780), (735, 382876), (740, 380289), (777, 362180), (780, 360787), (796, 353535), (910, 309246), (962, 292530), (980, 287157), (995, 282828), (1036, 271635), (1092, 257705), (1110, 253526), (1194, 235690), (1274, 220890), (1295, 217308), (1365, 206164), (1393, 202020), (1443, 195020), (1470, 191438), (1554, 181090), (1813, 155220), (1820, 154623), (1911, 147260), (1924, 146265), (1990, 141414), (2220, 126763), (2388, 117845), (2405, 117012), (2548, 110445), (2587, 108780), (2590, 108654), (2730, 103082), (2786, 101010), (2886, 97510), (2940, 95719), (2985, 94276), (3108, 90545), (3185, 88356), (3367, 83580), (3626, 77610), (3822, 73630), (3885, 72436), (3980, 70707), (4179, 67340), (4810, 58506), (5174, 54390), (5180, 54327), (5439, 51740), (5460, 51541), (5572, 50505), (5772, 48755), (5970, 47138), (6370, 44178), (6734, 41790), (6965, 40404), (7215, 39004), (7252, 38805), (7363, 38220), (7644, 36815), (7761, 36260), (7770, 36218), (8358, 33670), (9065, 31044), (9555, 29452), (9620, 29253), (9751, 28860), (10101, 27860), (10348, 27195), (10878, 25870), (11940, 23569), (12740, 22089), (12935, 21756), (13468, 20895), (13930, 20202), (14430, 19502), (14726, 19110), (15522, 18130), (15540, 18109), (16716, 16835)]