173157640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3310

約数の個数: 64

約数和(自身を含む): 416016000

約数和(自身を除く): 242858360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 3209, 5396, 6418, 6745, 10792, 12836, 13490, 16045, 25672, 26980, 32090, 53960, 60971, 64180, 121942, 128360, 227839, 243884, 304855, 455678, 487768, 609710, 911356, 1139195, 1219420, 1822712, 2278390, 2438840, 4328941, 4556780, 8657882, 9113560, 17315764, 21644705, 34631528, 43289410, 86578820, 173157640]

約数ペア:

[(1, 173157640), (2, 86578820), (4, 43289410), (5, 34631528), (8, 21644705), (10, 17315764), (19, 9113560), (20, 8657882), (38, 4556780), (40, 4328941), (71, 2438840), (76, 2278390), (95, 1822712), (142, 1219420), (152, 1139195), (190, 911356), (284, 609710), (355, 487768), (380, 455678), (568, 304855), (710, 243884), (760, 227839), (1349, 128360), (1420, 121942), (2698, 64180), (2840, 60971), (3209, 53960), (5396, 32090), (6418, 26980), (6745, 25672), (10792, 16045), (12836, 13490)]