81869160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18439}}^1$

素因数の和:18490

約数の個数: 64

約数和(自身を含む): 252259200

約数和(自身を除く): 170390040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 18439, 36878, 55317, 73756, 92195, 110634, 147512, 184390, 221268, 276585, 368780, 442536, 553170, 682243, 737560, 1106340, 1364486, 2046729, 2212680, 2728972, 3411215, 4093458, 5457944, 6822430, 8186916, 10233645, 13644860, 16373832, 20467290, 27289720, 40934580, 81869160]

約数ペア:

[(1, 81869160), (2, 40934580), (3, 27289720), (4, 20467290), (5, 16373832), (6, 13644860), (8, 10233645), (10, 8186916), (12, 6822430), (15, 5457944), (20, 4093458), (24, 3411215), (30, 2728972), (37, 2212680), (40, 2046729), (60, 1364486), (74, 1106340), (111, 737560), (120, 682243), (148, 553170), (185, 442536), (222, 368780), (296, 276585), (370, 221268), (444, 184390), (555, 147512), (740, 110634), (888, 92195), (1110, 73756), (1480, 55317), (2220, 36878), (4440, 18439)]