71978280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1815

約数の個数: 128

約数和(自身を含む): 243302400

約数和(自身を除く): 171324120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1759, 1860, 2046, 2728, 3410, 3518, 3720, 4092, 5115, 5277, 6820, 7036, 8184, 8795, 10230, 10554, 13640, 14072, 17590, 19349, 20460, 21108, 26385, 35180, 38698, 40920, 42216, 52770, 54529, 58047, 70360, 77396, 96745, 105540, 109058, 116094, 154792, 163587, 193490, 211080, 218116, 232188, 272645, 290235, 327174, 386980, 436232, 464376, 545290, 580470, 599819, 654348, 773960, 817935, 1090580, 1160940, 1199638, 1308696, 1635870, 1799457, 2181160, 2321880, 2399276, 2999095, 3271740, 3598914, 4798552, 5998190, 6543480, 7197828, 8997285, 11996380, 14395656, 17994570, 23992760, 35989140, 71978280]

約数ペア:

[(1, 71978280), (2, 35989140), (3, 23992760), (4, 17994570), (5, 14395656), (6, 11996380), (8, 8997285), (10, 7197828), (11, 6543480), (12, 5998190), (15, 4798552), (20, 3598914), (22, 3271740), (24, 2999095), (30, 2399276), (31, 2321880), (33, 2181160), (40, 1799457), (44, 1635870), (55, 1308696), (60, 1199638), (62, 1160940), (66, 1090580), (88, 817935), (93, 773960), (110, 654348), (120, 599819), (124, 580470), (132, 545290), (155, 464376), (165, 436232), (186, 386980), (220, 327174), (248, 290235), (264, 272645), (310, 232188), (330, 218116), (341, 211080), (372, 193490), (440, 163587), (465, 154792), (620, 116094), (660, 109058), (682, 105540), (744, 96745), (930, 77396), (1023, 70360), (1240, 58047), (1320, 54529), (1364, 52770), (1705, 42216), (1759, 40920), (1860, 38698), (2046, 35180), (2728, 26385), (3410, 21108), (3518, 20460), (3720, 19349), (4092, 17590), (5115, 14072), (5277, 13640), (6820, 10554), (7036, 10230), (8184, 8795)]