171808780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{4621}}^1$

素因数の和:4667

約数の個数: 72

約数和(自身を含む): 426296304

約数和(自身を除く): 254487524

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 4621, 7436, 9242, 9295, 18484, 18590, 23105, 37180, 46210, 50831, 60073, 92420, 101662, 120146, 203324, 240292, 254155, 300365, 508310, 600730, 660803, 780949, 1016620, 1201460, 1321606, 1561898, 2643212, 3123796, 3304015, 3904745, 6608030, 7809490, 8590439, 13216060, 15618980, 17180878, 34361756, 42952195, 85904390, 171808780]

約数ペア:

[(1, 171808780), (2, 85904390), (4, 42952195), (5, 34361756), (10, 17180878), (11, 15618980), (13, 13216060), (20, 8590439), (22, 7809490), (26, 6608030), (44, 3904745), (52, 3304015), (55, 3123796), (65, 2643212), (110, 1561898), (130, 1321606), (143, 1201460), (169, 1016620), (220, 780949), (260, 660803), (286, 600730), (338, 508310), (572, 300365), (676, 254155), (715, 240292), (845, 203324), (1430, 120146), (1690, 101662), (1859, 92420), (2860, 60073), (3380, 50831), (3718, 46210), (4621, 37180), (7436, 23105), (9242, 18590), (9295, 18484)]