260219120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3502

約数の個数: 80

約数和(自身を含む): 696622080

約数和(自身を除く): 436402960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3343, 3892, 4865, 5560, 6686, 7784, 9730, 11120, 13372, 15568, 16715, 19460, 23401, 26744, 33430, 38920, 46802, 53488, 66860, 77840, 93604, 117005, 133720, 187208, 234010, 267440, 374416, 464677, 468020, 929354, 936040, 1858708, 1872080, 2323385, 3252739, 3717416, 4646770, 6505478, 7434832, 9293540, 13010956, 16263695, 18587080, 26021912, 32527390, 37174160, 52043824, 65054780, 130109560, 260219120]

約数ペア:

[(1, 260219120), (2, 130109560), (4, 65054780), (5, 52043824), (7, 37174160), (8, 32527390), (10, 26021912), (14, 18587080), (16, 16263695), (20, 13010956), (28, 9293540), (35, 7434832), (40, 6505478), (56, 4646770), (70, 3717416), (80, 3252739), (112, 2323385), (139, 1872080), (140, 1858708), (278, 936040), (280, 929354), (556, 468020), (560, 464677), (695, 374416), (973, 267440), (1112, 234010), (1390, 187208), (1946, 133720), (2224, 117005), (2780, 93604), (3343, 77840), (3892, 66860), (4865, 53488), (5560, 46802), (6686, 38920), (7784, 33430), (9730, 26744), (11120, 23401), (13372, 19460), (15568, 16715)]