164591840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 447068160

約数和(自身を除く): 282476320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 223, 224, 280, 446, 560, 659, 892, 1115, 1120, 1318, 1561, 1784, 2230, 2636, 3122, 3295, 3568, 4460, 4613, 5272, 6244, 6590, 7136, 7805, 8920, 9226, 10544, 12488, 13180, 15610, 17840, 18452, 21088, 23065, 24976, 26360, 31220, 35680, 36904, 46130, 49952, 52720, 62440, 73808, 92260, 105440, 124880, 146957, 147616, 184520, 249760, 293914, 369040, 587828, 734785, 738080, 1028699, 1175656, 1469570, 2057398, 2351312, 2939140, 4114796, 4702624, 5143495, 5878280, 8229592, 10286990, 11756560, 16459184, 20573980, 23513120, 32918368, 41147960, 82295920, 164591840]

約数ペア:

[(1, 164591840), (2, 82295920), (4, 41147960), (5, 32918368), (7, 23513120), (8, 20573980), (10, 16459184), (14, 11756560), (16, 10286990), (20, 8229592), (28, 5878280), (32, 5143495), (35, 4702624), (40, 4114796), (56, 2939140), (70, 2351312), (80, 2057398), (112, 1469570), (140, 1175656), (160, 1028699), (223, 738080), (224, 734785), (280, 587828), (446, 369040), (560, 293914), (659, 249760), (892, 184520), (1115, 147616), (1120, 146957), (1318, 124880), (1561, 105440), (1784, 92260), (2230, 73808), (2636, 62440), (3122, 52720), (3295, 49952), (3568, 46130), (4460, 36904), (4613, 35680), (5272, 31220), (6244, 26360), (6590, 24976), (7136, 23065), (7805, 21088), (8920, 18452), (9226, 17840), (10544, 15610), (12488, 13180)]