163691720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 378069120

約数和(自身を除く): 214377400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 103, 134, 206, 268, 335, 412, 515, 536, 593, 670, 824, 1030, 1186, 1340, 2060, 2372, 2680, 2965, 4120, 4744, 5930, 6901, 11860, 13802, 23720, 27604, 34505, 39731, 55208, 61079, 69010, 79462, 122158, 138020, 158924, 198655, 244316, 276040, 305395, 317848, 397310, 488632, 610790, 794620, 1221580, 1589240, 2443160, 4092293, 8184586, 16369172, 20461465, 32738344, 40922930, 81845860, 163691720]

約数ペア:

[(1, 163691720), (2, 81845860), (4, 40922930), (5, 32738344), (8, 20461465), (10, 16369172), (20, 8184586), (40, 4092293), (67, 2443160), (103, 1589240), (134, 1221580), (206, 794620), (268, 610790), (335, 488632), (412, 397310), (515, 317848), (536, 305395), (593, 276040), (670, 244316), (824, 198655), (1030, 158924), (1186, 138020), (1340, 122158), (2060, 79462), (2372, 69010), (2680, 61079), (2965, 55208), (4120, 39731), (4744, 34505), (5930, 27604), (6901, 23720), (11860, 13802)]