188467920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{261761}}^1$

素因数の和:261780

約数の個数: 60

約数和(自身を含む): 632940516

約数和(自身を除く): 444472596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 261761, 523522, 785283, 1047044, 1308805, 1570566, 2094088, 2355849, 2617610, 3141132, 3926415, 4188176, 4711698, 5235220, 6282264, 7852830, 9423396, 10470440, 11779245, 12564528, 15705660, 18846792, 20940880, 23558490, 31411320, 37693584, 47116980, 62822640, 94233960, 188467920]

約数ペア:

[(1, 188467920), (2, 94233960), (3, 62822640), (4, 47116980), (5, 37693584), (6, 31411320), (8, 23558490), (9, 20940880), (10, 18846792), (12, 15705660), (15, 12564528), (16, 11779245), (18, 10470440), (20, 9423396), (24, 7852830), (30, 6282264), (36, 5235220), (40, 4711698), (45, 4188176), (48, 3926415), (60, 3141132), (72, 2617610), (80, 2355849), (90, 2094088), (120, 1570566), (144, 1308805), (180, 1047044), (240, 785283), (360, 523522), (720, 261761)]