71459960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 196256520

約数和(自身を除く): 124796560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 169, 220, 248, 260, 286, 310, 338, 341, 403, 440, 520, 572, 620, 676, 682, 715, 806, 845, 961, 1144, 1240, 1352, 1364, 1430, 1612, 1690, 1705, 1859, 1922, 2015, 2728, 2860, 3224, 3380, 3410, 3718, 3844, 4030, 4433, 4805, 5239, 5720, 6760, 6820, 7436, 7688, 8060, 8866, 9295, 9610, 10478, 10571, 12493, 13640, 14872, 16120, 17732, 18590, 19220, 20956, 21142, 22165, 24986, 26195, 35464, 37180, 38440, 41912, 42284, 44330, 49972, 52390, 52855, 57629, 62465, 74360, 84568, 88660, 99944, 104780, 105710, 115258, 124930, 137423, 162409, 177320, 209560, 211420, 230516, 249860, 274846, 288145, 324818, 422840, 461032, 499720, 549692, 576290, 649636, 687115, 812045, 1099384, 1152580, 1299272, 1374230, 1624090, 1786499, 2305160, 2748460, 3248180, 3572998, 5496920, 6496360, 7145996, 8932495, 14291992, 17864990, 35729980, 71459960]

約数ペア:

[(1, 71459960), (2, 35729980), (4, 17864990), (5, 14291992), (8, 8932495), (10, 7145996), (11, 6496360), (13, 5496920), (20, 3572998), (22, 3248180), (26, 2748460), (31, 2305160), (40, 1786499), (44, 1624090), (52, 1374230), (55, 1299272), (62, 1152580), (65, 1099384), (88, 812045), (104, 687115), (110, 649636), (124, 576290), (130, 549692), (143, 499720), (155, 461032), (169, 422840), (220, 324818), (248, 288145), (260, 274846), (286, 249860), (310, 230516), (338, 211420), (341, 209560), (403, 177320), (440, 162409), (520, 137423), (572, 124930), (620, 115258), (676, 105710), (682, 104780), (715, 99944), (806, 88660), (845, 84568), (961, 74360), (1144, 62465), (1240, 57629), (1352, 52855), (1364, 52390), (1430, 49972), (1612, 44330), (1690, 42284), (1705, 41912), (1859, 38440), (1922, 37180), (2015, 35464), (2728, 26195), (2860, 24986), (3224, 22165), (3380, 21142), (3410, 20956), (3718, 19220), (3844, 18590), (4030, 17732), (4433, 16120), (4805, 14872), (5239, 13640), (5720, 12493), (6760, 10571), (6820, 10478), (7436, 9610), (7688, 9295), (8060, 8866)]