40278240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:441

約数の個数: 144

約数和(自身を含む): 139518288

約数和(自身を除く): 99240048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 337, 360, 415, 480, 498, 664, 674, 720, 747, 830, 996, 1011, 1245, 1328, 1348, 1440, 1494, 1660, 1685, 1992, 2022, 2490, 2656, 2696, 2988, 3033, 3320, 3370, 3735, 3984, 4044, 4980, 5055, 5392, 5976, 6066, 6640, 6740, 7470, 7968, 8088, 9960, 10110, 10784, 11952, 12132, 13280, 13480, 14940, 15165, 16176, 19920, 20220, 23904, 24264, 26960, 27971, 29880, 30330, 32352, 39840, 40440, 48528, 53920, 55942, 59760, 60660, 80880, 83913, 97056, 111884, 119520, 121320, 139855, 161760, 167826, 223768, 242640, 251739, 279710, 335652, 419565, 447536, 485280, 503478, 559420, 671304, 839130, 895072, 1006956, 1118840, 1258695, 1342608, 1678260, 2013912, 2237680, 2517390, 2685216, 3356520, 4027824, 4475360, 5034780, 6713040, 8055648, 10069560, 13426080, 20139120, 40278240]

約数ペア:

[(1, 40278240), (2, 20139120), (3, 13426080), (4, 10069560), (5, 8055648), (6, 6713040), (8, 5034780), (9, 4475360), (10, 4027824), (12, 3356520), (15, 2685216), (16, 2517390), (18, 2237680), (20, 2013912), (24, 1678260), (30, 1342608), (32, 1258695), (36, 1118840), (40, 1006956), (45, 895072), (48, 839130), (60, 671304), (72, 559420), (80, 503478), (83, 485280), (90, 447536), (96, 419565), (120, 335652), (144, 279710), (160, 251739), (166, 242640), (180, 223768), (240, 167826), (249, 161760), (288, 139855), (332, 121320), (337, 119520), (360, 111884), (415, 97056), (480, 83913), (498, 80880), (664, 60660), (674, 59760), (720, 55942), (747, 53920), (830, 48528), (996, 40440), (1011, 39840), (1245, 32352), (1328, 30330), (1348, 29880), (1440, 27971), (1494, 26960), (1660, 24264), (1685, 23904), (1992, 20220), (2022, 19920), (2490, 16176), (2656, 15165), (2696, 14940), (2988, 13480), (3033, 13280), (3320, 12132), (3370, 11952), (3735, 10784), (3984, 10110), (4044, 9960), (4980, 8088), (5055, 7968), (5392, 7470), (5976, 6740), (6066, 6640)]