277168140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25243}}^1$

素因数の和:25319

約数の個数: 72

約数和(自身を含む): 854559888

約数和(自身を除く): 577391748

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, 3660, 5490, 10980, 25243, 50486, 75729, 100972, 126215, 151458, 227187, 252430, 302916, 378645, 454374, 504860, 757290, 908748, 1135935, 1514580, 1539823, 2271870, 3079646, 4543740, 4619469, 6159292, 7699115, 9238938, 13858407, 15398230, 18477876, 23097345, 27716814, 30796460, 46194690, 55433628, 69292035, 92389380, 138584070, 277168140]

約数ペア:

[(1, 277168140), (2, 138584070), (3, 92389380), (4, 69292035), (5, 55433628), (6, 46194690), (9, 30796460), (10, 27716814), (12, 23097345), (15, 18477876), (18, 15398230), (20, 13858407), (30, 9238938), (36, 7699115), (45, 6159292), (60, 4619469), (61, 4543740), (90, 3079646), (122, 2271870), (180, 1539823), (183, 1514580), (244, 1135935), (305, 908748), (366, 757290), (549, 504860), (610, 454374), (732, 378645), (915, 302916), (1098, 252430), (1220, 227187), (1830, 151458), (2196, 126215), (2745, 100972), (3660, 75729), (5490, 50486), (10980, 25243)]