40201980

素因数分解:

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

素因数の和:268

約数の個数: 192

約数和(自身を含む): 143001600

約数和(自身を除く): 102799620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 156, 182, 185, 195, 199, 210, 222, 259, 260, 273, 364, 370, 390, 398, 420, 444, 455, 481, 518, 546, 555, 597, 740, 777, 780, 796, 910, 962, 995, 1036, 1092, 1110, 1194, 1295, 1365, 1393, 1443, 1554, 1820, 1924, 1990, 2220, 2388, 2405, 2587, 2590, 2730, 2786, 2886, 2985, 3108, 3367, 3885, 3980, 4179, 4810, 5174, 5180, 5460, 5572, 5772, 5970, 6734, 6965, 7215, 7363, 7761, 7770, 8358, 9620, 10101, 10348, 11940, 12935, 13468, 13930, 14430, 14726, 15522, 15540, 16716, 16835, 18109, 20202, 20895, 22089, 25870, 27860, 28860, 29452, 31044, 33670, 36218, 36815, 38805, 40404, 41790, 44178, 50505, 51541, 51740, 54327, 67340, 72436, 73630, 77610, 83580, 88356, 90545, 95719, 101010, 103082, 108654, 110445, 147260, 154623, 155220, 181090, 191438, 202020, 206164, 217308, 220890, 257705, 271635, 287157, 309246, 362180, 382876, 441780, 478595, 515410, 543270, 574314, 618492, 670033, 773115, 957190, 1030820, 1086540, 1148628, 1340066, 1435785, 1546230, 1914380, 2010099, 2680132, 2871570, 3092460, 3350165, 4020198, 5743140, 6700330, 8040396, 10050495, 13400660, 20100990, 40201980]

約数ペア:

[(1, 40201980), (2, 20100990), (3, 13400660), (4, 10050495), (5, 8040396), (6, 6700330), (7, 5743140), (10, 4020198), (12, 3350165), (13, 3092460), (14, 2871570), (15, 2680132), (20, 2010099), (21, 1914380), (26, 1546230), (28, 1435785), (30, 1340066), (35, 1148628), (37, 1086540), (39, 1030820), (42, 957190), (52, 773115), (60, 670033), (65, 618492), (70, 574314), (74, 543270), (78, 515410), (84, 478595), (91, 441780), (105, 382876), (111, 362180), (130, 309246), (140, 287157), (148, 271635), (156, 257705), (182, 220890), (185, 217308), (195, 206164), (199, 202020), (210, 191438), (222, 181090), (259, 155220), (260, 154623), (273, 147260), (364, 110445), (370, 108654), (390, 103082), (398, 101010), (420, 95719), (444, 90545), (455, 88356), (481, 83580), (518, 77610), (546, 73630), (555, 72436), (597, 67340), (740, 54327), (777, 51740), (780, 51541), (796, 50505), (910, 44178), (962, 41790), (995, 40404), (1036, 38805), (1092, 36815), (1110, 36218), (1194, 33670), (1295, 31044), (1365, 29452), (1393, 28860), (1443, 27860), (1554, 25870), (1820, 22089), (1924, 20895), (1990, 20202), (2220, 18109), (2388, 16835), (2405, 16716), (2587, 15540), (2590, 15522), (2730, 14726), (2786, 14430), (2886, 13930), (2985, 13468), (3108, 12935), (3367, 11940), (3885, 10348), (3980, 10101), (4179, 9620), (4810, 8358), (5174, 7770), (5180, 7761), (5460, 7363), (5572, 7215), (5772, 6965), (5970, 6734)]