18530580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 53385696

約数和(自身を除く): 34855116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 83, 122, 166, 183, 244, 249, 305, 332, 366, 415, 498, 610, 732, 830, 915, 996, 1220, 1245, 1660, 1830, 2490, 3660, 3721, 4980, 5063, 7442, 10126, 11163, 14884, 15189, 18605, 20252, 22326, 25315, 30378, 37210, 44652, 50630, 55815, 60756, 74420, 75945, 101260, 111630, 151890, 223260, 303780, 308843, 617686, 926529, 1235372, 1544215, 1853058, 3088430, 3706116, 4632645, 6176860, 9265290, 18530580]

約数ペア:

[(1, 18530580), (2, 9265290), (3, 6176860), (4, 4632645), (5, 3706116), (6, 3088430), (10, 1853058), (12, 1544215), (15, 1235372), (20, 926529), (30, 617686), (60, 308843), (61, 303780), (83, 223260), (122, 151890), (166, 111630), (183, 101260), (244, 75945), (249, 74420), (305, 60756), (332, 55815), (366, 50630), (415, 44652), (498, 37210), (610, 30378), (732, 25315), (830, 22326), (915, 20252), (996, 18605), (1220, 15189), (1245, 14884), (1660, 11163), (1830, 10126), (2490, 7442), (3660, 5063), (3721, 4980)]