38880180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3617

約数の個数: 72

約数和(自身を含む): 119903784

約数和(自身を除く): 81023604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3541, 3660, 5490, 7082, 10623, 10980, 14164, 17705, 21246, 31869, 35410, 42492, 53115, 63738, 70820, 106230, 127476, 159345, 212460, 216001, 318690, 432002, 637380, 648003, 864004, 1080005, 1296006, 1944009, 2160010, 2592012, 3240015, 3888018, 4320020, 6480030, 7776036, 9720045, 12960060, 19440090, 38880180]

約数ペア:

[(1, 38880180), (2, 19440090), (3, 12960060), (4, 9720045), (5, 7776036), (6, 6480030), (9, 4320020), (10, 3888018), (12, 3240015), (15, 2592012), (18, 2160010), (20, 1944009), (30, 1296006), (36, 1080005), (45, 864004), (60, 648003), (61, 637380), (90, 432002), (122, 318690), (180, 216001), (183, 212460), (244, 159345), (305, 127476), (366, 106230), (549, 70820), (610, 63738), (732, 53115), (915, 42492), (1098, 35410), (1220, 31869), (1830, 21246), (2196, 17705), (2745, 14164), (3541, 10980), (3660, 10623), (5490, 7082)]