139784520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 453628800

約数和(自身を除く): 313844280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 1657, 2109, 2220, 2280, 2812, 3314, 3515, 4218, 4440, 4971, 5624, 6628, 7030, 8285, 8436, 9942, 10545, 13256, 14060, 16570, 16872, 19884, 21090, 24855, 28120, 31483, 33140, 39768, 42180, 49710, 61309, 62966, 66280, 84360, 94449, 99420, 122618, 125932, 157415, 183927, 188898, 198840, 245236, 251864, 306545, 314830, 367854, 377796, 472245, 490472, 613090, 629660, 735708, 755592, 919635, 944490, 1164871, 1226180, 1259320, 1471416, 1839270, 1888980, 2329742, 2452360, 3494613, 3678540, 3777960, 4659484, 5824355, 6989226, 7357080, 9318968, 11648710, 13978452, 17473065, 23297420, 27956904, 34946130, 46594840, 69892260, 139784520]

約数ペア:

[(1, 139784520), (2, 69892260), (3, 46594840), (4, 34946130), (5, 27956904), (6, 23297420), (8, 17473065), (10, 13978452), (12, 11648710), (15, 9318968), (19, 7357080), (20, 6989226), (24, 5824355), (30, 4659484), (37, 3777960), (38, 3678540), (40, 3494613), (57, 2452360), (60, 2329742), (74, 1888980), (76, 1839270), (95, 1471416), (111, 1259320), (114, 1226180), (120, 1164871), (148, 944490), (152, 919635), (185, 755592), (190, 735708), (222, 629660), (228, 613090), (285, 490472), (296, 472245), (370, 377796), (380, 367854), (444, 314830), (456, 306545), (555, 251864), (570, 245236), (703, 198840), (740, 188898), (760, 183927), (888, 157415), (1110, 125932), (1140, 122618), (1406, 99420), (1480, 94449), (1657, 84360), (2109, 66280), (2220, 62966), (2280, 61309), (2812, 49710), (3314, 42180), (3515, 39768), (4218, 33140), (4440, 31483), (4971, 28120), (5624, 24855), (6628, 21090), (7030, 19884), (8285, 16872), (8436, 16570), (9942, 14060), (10545, 13256)]