291209580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9461}}^1$

素因数の和:9501

約数の個数: 120

約数和(自身を含む): 961717680

約数和(自身を除く): 670508100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 9461, 10260, 15390, 18922, 28383, 30780, 37844, 47305, 56766, 85149, 94610, 113532, 141915, 170298, 179759, 189220, 255447, 283830, 340596, 359518, 425745, 510894, 539277, 567660, 719036, 766341, 851490, 898795, 1021788, 1078554, 1277235, 1532682, 1617831, 1702980, 1797590, 2157108, 2554470, 2696385, 3065364, 3235662, 3595180, 3831705, 4853493, 5108940, 5392770, 6471324, 7663410, 8089155, 9706986, 10785540, 14560479, 15326820, 16178310, 19413972, 24267465, 29120958, 32356620, 48534930, 58241916, 72802395, 97069860, 145604790, 291209580]

約数ペア:

[(1, 291209580), (2, 145604790), (3, 97069860), (4, 72802395), (5, 58241916), (6, 48534930), (9, 32356620), (10, 29120958), (12, 24267465), (15, 19413972), (18, 16178310), (19, 15326820), (20, 14560479), (27, 10785540), (30, 9706986), (36, 8089155), (38, 7663410), (45, 6471324), (54, 5392770), (57, 5108940), (60, 4853493), (76, 3831705), (81, 3595180), (90, 3235662), (95, 3065364), (108, 2696385), (114, 2554470), (135, 2157108), (162, 1797590), (171, 1702980), (180, 1617831), (190, 1532682), (228, 1277235), (270, 1078554), (285, 1021788), (324, 898795), (342, 851490), (380, 766341), (405, 719036), (513, 567660), (540, 539277), (570, 510894), (684, 425745), (810, 359518), (855, 340596), (1026, 283830), (1140, 255447), (1539, 189220), (1620, 179759), (1710, 170298), (2052, 141915), (2565, 113532), (3078, 94610), (3420, 85149), (5130, 56766), (6156, 47305), (7695, 37844), (9461, 30780), (10260, 28383), (15390, 18922)]