40939920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{8123}}^1$

素因数の和:8149

約数の個数: 120

約数和(自身を含む): 157150656

約数和(自身を除く): 116210736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 8123, 16246, 24369, 32492, 40615, 48738, 56861, 64984, 73107, 81230, 97476, 113722, 121845, 129968, 146214, 162460, 170583, 194952, 227444, 243690, 284305, 292428, 324920, 341166, 365535, 389904, 454888, 487380, 511749, 568610, 584856, 649840, 682332, 731070, 852915, 909776, 974760, 1023498, 1137220, 1169712, 1364664, 1462140, 1705830, 1949520, 2046996, 2274440, 2558745, 2729328, 2924280, 3411660, 4093992, 4548880, 5117490, 5848560, 6823320, 8187984, 10234980, 13646640, 20469960, 40939920]

約数ペア:

[(1, 40939920), (2, 20469960), (3, 13646640), (4, 10234980), (5, 8187984), (6, 6823320), (7, 5848560), (8, 5117490), (9, 4548880), (10, 4093992), (12, 3411660), (14, 2924280), (15, 2729328), (16, 2558745), (18, 2274440), (20, 2046996), (21, 1949520), (24, 1705830), (28, 1462140), (30, 1364664), (35, 1169712), (36, 1137220), (40, 1023498), (42, 974760), (45, 909776), (48, 852915), (56, 731070), (60, 682332), (63, 649840), (70, 584856), (72, 568610), (80, 511749), (84, 487380), (90, 454888), (105, 389904), (112, 365535), (120, 341166), (126, 324920), (140, 292428), (144, 284305), (168, 243690), (180, 227444), (210, 194952), (240, 170583), (252, 162460), (280, 146214), (315, 129968), (336, 121845), (360, 113722), (420, 97476), (504, 81230), (560, 73107), (630, 64984), (720, 56861), (840, 48738), (1008, 40615), (1260, 32492), (1680, 24369), (2520, 16246), (5040, 8123)]