172611920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 434503440

約数和(自身を除く): 261891520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 269, 520, 538, 617, 1040, 1076, 1234, 1345, 2152, 2468, 2690, 3085, 3497, 4304, 4936, 5380, 6170, 6994, 8021, 9872, 10760, 12340, 13988, 16042, 17485, 21520, 24680, 27976, 32084, 34970, 40105, 49360, 55952, 64168, 69940, 80210, 128336, 139880, 160420, 165973, 279760, 320840, 331946, 641680, 663892, 829865, 1327784, 1659730, 2157649, 2655568, 3319460, 4315298, 6638920, 8630596, 10788245, 13277840, 17261192, 21576490, 34522384, 43152980, 86305960, 172611920]

約数ペア:

[(1, 172611920), (2, 86305960), (4, 43152980), (5, 34522384), (8, 21576490), (10, 17261192), (13, 13277840), (16, 10788245), (20, 8630596), (26, 6638920), (40, 4315298), (52, 3319460), (65, 2655568), (80, 2157649), (104, 1659730), (130, 1327784), (208, 829865), (260, 663892), (269, 641680), (520, 331946), (538, 320840), (617, 279760), (1040, 165973), (1076, 160420), (1234, 139880), (1345, 128336), (2152, 80210), (2468, 69940), (2690, 64168), (3085, 55952), (3497, 49360), (4304, 40105), (4936, 34970), (5380, 32084), (6170, 27976), (6994, 24680), (8021, 21520), (9872, 17485), (10760, 16042), (12340, 13988)]