71697340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 185812704

約数和(自身を除く): 114115364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 53, 55, 65, 86, 106, 110, 121, 130, 143, 172, 212, 215, 220, 242, 260, 265, 286, 430, 473, 484, 530, 559, 572, 583, 605, 689, 715, 860, 946, 1060, 1118, 1166, 1210, 1378, 1430, 1573, 1892, 2236, 2279, 2332, 2365, 2420, 2756, 2795, 2860, 2915, 3146, 3445, 4558, 4730, 5203, 5590, 5830, 6149, 6292, 6413, 6890, 7579, 7865, 9116, 9460, 10406, 11180, 11395, 11660, 12298, 12826, 13780, 15158, 15730, 20812, 22790, 24596, 25069, 25652, 26015, 29627, 30316, 30745, 31460, 32065, 37895, 45580, 50138, 52030, 59254, 61490, 64130, 67639, 75790, 83369, 100276, 104060, 118508, 122980, 125345, 128260, 135278, 148135, 151580, 166738, 250690, 270556, 275759, 296270, 325897, 333476, 338195, 416845, 501380, 551518, 592540, 651794, 676390, 833690, 1103036, 1303588, 1352780, 1378795, 1629485, 1667380, 2757590, 3258970, 3584867, 5515180, 6517940, 7169734, 14339468, 17924335, 35848670, 71697340]

約数ペア:

[(1, 71697340), (2, 35848670), (4, 17924335), (5, 14339468), (10, 7169734), (11, 6517940), (13, 5515180), (20, 3584867), (22, 3258970), (26, 2757590), (43, 1667380), (44, 1629485), (52, 1378795), (53, 1352780), (55, 1303588), (65, 1103036), (86, 833690), (106, 676390), (110, 651794), (121, 592540), (130, 551518), (143, 501380), (172, 416845), (212, 338195), (215, 333476), (220, 325897), (242, 296270), (260, 275759), (265, 270556), (286, 250690), (430, 166738), (473, 151580), (484, 148135), (530, 135278), (559, 128260), (572, 125345), (583, 122980), (605, 118508), (689, 104060), (715, 100276), (860, 83369), (946, 75790), (1060, 67639), (1118, 64130), (1166, 61490), (1210, 59254), (1378, 52030), (1430, 50138), (1573, 45580), (1892, 37895), (2236, 32065), (2279, 31460), (2332, 30745), (2365, 30316), (2420, 29627), (2756, 26015), (2795, 25652), (2860, 25069), (2915, 24596), (3146, 22790), (3445, 20812), (4558, 15730), (4730, 15158), (5203, 13780), (5590, 12826), (5830, 12298), (6149, 11660), (6292, 11395), (6413, 11180), (6890, 10406), (7579, 9460), (7865, 9116)]