123420060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1231}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 375350976

約数和(自身を除く): 251930916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 1114, 1231, 1671, 2228, 2462, 2785, 3342, 3693, 4924, 5013, 5570, 6155, 6684, 7386, 8355, 10026, 11079, 11140, 12310, 14772, 16710, 18465, 20052, 22158, 24620, 25065, 33420, 36930, 44316, 50130, 55395, 73860, 100260, 110790, 221580, 685667, 1371334, 2057001, 2742668, 3428335, 4114002, 6171003, 6856670, 8228004, 10285005, 12342006, 13713340, 20570010, 24684012, 30855015, 41140020, 61710030, 123420060]

約数ペア:

[(1, 123420060), (2, 61710030), (3, 41140020), (4, 30855015), (5, 24684012), (6, 20570010), (9, 13713340), (10, 12342006), (12, 10285005), (15, 8228004), (18, 6856670), (20, 6171003), (30, 4114002), (36, 3428335), (45, 2742668), (60, 2057001), (90, 1371334), (180, 685667), (557, 221580), (1114, 110790), (1231, 100260), (1671, 73860), (2228, 55395), (2462, 50130), (2785, 44316), (3342, 36930), (3693, 33420), (4924, 25065), (5013, 24620), (5570, 22158), (6155, 20052), (6684, 18465), (7386, 16710), (8355, 14772), (10026, 12310), (11079, 11140)]