90181520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7920

約数の個数: 80

約数和(自身を含む): 246359232

約数和(自身を除く): 156177712

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 7883, 11440, 15766, 31532, 39415, 63064, 78830, 86713, 102479, 126128, 157660, 173426, 204958, 315320, 346852, 409916, 433565, 512395, 630640, 693704, 819832, 867130, 1024790, 1127269, 1387408, 1639664, 1734260, 2049580, 2254538, 3468520, 4099160, 4509076, 5636345, 6937040, 8198320, 9018152, 11272690, 18036304, 22545380, 45090760, 90181520]

約数ペア:

[(1, 90181520), (2, 45090760), (4, 22545380), (5, 18036304), (8, 11272690), (10, 9018152), (11, 8198320), (13, 6937040), (16, 5636345), (20, 4509076), (22, 4099160), (26, 3468520), (40, 2254538), (44, 2049580), (52, 1734260), (55, 1639664), (65, 1387408), (80, 1127269), (88, 1024790), (104, 867130), (110, 819832), (130, 693704), (143, 630640), (176, 512395), (208, 433565), (220, 409916), (260, 346852), (286, 315320), (440, 204958), (520, 173426), (572, 157660), (715, 126128), (880, 102479), (1040, 86713), (1144, 78830), (1430, 63064), (2288, 39415), (2860, 31532), (5720, 15766), (7883, 11440)]