66518320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 169944480

約数和(自身を除く): 103426160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 281, 440, 538, 562, 880, 1076, 1124, 1345, 1405, 2152, 2248, 2690, 2810, 2959, 3091, 4304, 4496, 5380, 5620, 5918, 6182, 10760, 11240, 11836, 12364, 14795, 15455, 21520, 22480, 23672, 24728, 29590, 30910, 47344, 49456, 59180, 61820, 75589, 118360, 123640, 151178, 236720, 247280, 302356, 377945, 604712, 755890, 831479, 1209424, 1511780, 1662958, 3023560, 3325916, 4157395, 6047120, 6651832, 8314790, 13303664, 16629580, 33259160, 66518320]

約数ペア:

[(1, 66518320), (2, 33259160), (4, 16629580), (5, 13303664), (8, 8314790), (10, 6651832), (11, 6047120), (16, 4157395), (20, 3325916), (22, 3023560), (40, 1662958), (44, 1511780), (55, 1209424), (80, 831479), (88, 755890), (110, 604712), (176, 377945), (220, 302356), (269, 247280), (281, 236720), (440, 151178), (538, 123640), (562, 118360), (880, 75589), (1076, 61820), (1124, 59180), (1345, 49456), (1405, 47344), (2152, 30910), (2248, 29590), (2690, 24728), (2810, 23672), (2959, 22480), (3091, 21520), (4304, 15455), (4496, 14795), (5380, 12364), (5620, 11836), (5918, 11240), (6182, 10760)]