72531520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 186537600

約数和(自身を除く): 114006080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 134, 136, 160, 170, 199, 268, 272, 320, 335, 340, 398, 536, 544, 670, 680, 796, 995, 1072, 1088, 1139, 1340, 1360, 1592, 1990, 2144, 2278, 2680, 2720, 3184, 3383, 3980, 4288, 4556, 5360, 5440, 5695, 6368, 6766, 7960, 9112, 10720, 11390, 12736, 13333, 13532, 15920, 16915, 18224, 21440, 22780, 26666, 27064, 31840, 33830, 36448, 45560, 53332, 54128, 63680, 66665, 67660, 72896, 91120, 106664, 108256, 133330, 135320, 182240, 213328, 216512, 226661, 266660, 270640, 364480, 426656, 453322, 533320, 541280, 853312, 906644, 1066640, 1082560, 1133305, 1813288, 2133280, 2266610, 3626576, 4266560, 4533220, 7253152, 9066440, 14506304, 18132880, 36265760, 72531520]

約数ペア:

[(1, 72531520), (2, 36265760), (4, 18132880), (5, 14506304), (8, 9066440), (10, 7253152), (16, 4533220), (17, 4266560), (20, 3626576), (32, 2266610), (34, 2133280), (40, 1813288), (64, 1133305), (67, 1082560), (68, 1066640), (80, 906644), (85, 853312), (134, 541280), (136, 533320), (160, 453322), (170, 426656), (199, 364480), (268, 270640), (272, 266660), (320, 226661), (335, 216512), (340, 213328), (398, 182240), (536, 135320), (544, 133330), (670, 108256), (680, 106664), (796, 91120), (995, 72896), (1072, 67660), (1088, 66665), (1139, 63680), (1340, 54128), (1360, 53332), (1592, 45560), (1990, 36448), (2144, 33830), (2278, 31840), (2680, 27064), (2720, 26666), (3184, 22780), (3383, 21440), (3980, 18224), (4288, 16915), (4556, 15920), (5360, 13532), (5440, 13333), (5695, 12736), (6368, 11390), (6766, 10720), (7960, 9112)]