159796840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 128

約数和(自身を含む): 442080000

約数和(自身を除く): 282283160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 532, 613, 665, 686, 760, 931, 980, 1064, 1226, 1330, 1372, 1715, 1862, 1960, 2452, 2660, 2744, 3065, 3430, 3724, 4291, 4655, 4904, 5320, 6130, 6517, 6860, 7448, 8582, 9310, 11647, 12260, 13034, 13720, 17164, 18620, 21455, 23294, 24520, 26068, 30037, 32585, 34328, 37240, 42910, 46588, 52136, 58235, 60074, 65170, 81529, 85820, 93176, 116470, 120148, 130340, 150185, 163058, 171640, 210259, 232940, 240296, 260680, 300370, 326116, 407645, 420518, 465880, 570703, 600740, 652232, 815290, 841036, 1051295, 1141406, 1201480, 1630580, 1682072, 2102590, 2282812, 2853515, 3261160, 3994921, 4205180, 4565624, 5707030, 7989842, 8410360, 11414060, 15979684, 19974605, 22828120, 31959368, 39949210, 79898420, 159796840]

約数ペア:

[(1, 159796840), (2, 79898420), (4, 39949210), (5, 31959368), (7, 22828120), (8, 19974605), (10, 15979684), (14, 11414060), (19, 8410360), (20, 7989842), (28, 5707030), (35, 4565624), (38, 4205180), (40, 3994921), (49, 3261160), (56, 2853515), (70, 2282812), (76, 2102590), (95, 1682072), (98, 1630580), (133, 1201480), (140, 1141406), (152, 1051295), (190, 841036), (196, 815290), (245, 652232), (266, 600740), (280, 570703), (343, 465880), (380, 420518), (392, 407645), (490, 326116), (532, 300370), (613, 260680), (665, 240296), (686, 232940), (760, 210259), (931, 171640), (980, 163058), (1064, 150185), (1226, 130340), (1330, 120148), (1372, 116470), (1715, 93176), (1862, 85820), (1960, 81529), (2452, 65170), (2660, 60074), (2744, 58235), (3065, 52136), (3430, 46588), (3724, 42910), (4291, 37240), (4655, 34328), (4904, 32585), (5320, 30037), (6130, 26068), (6517, 24520), (6860, 23294), (7448, 21455), (8582, 18620), (9310, 17164), (11647, 13720), (12260, 13034)]