72581600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 144

約数和(自身を含む): 218298528

約数和(自身を除く): 145716928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 400, 416, 455, 520, 560, 650, 700, 728, 800, 910, 997, 1040, 1120, 1300, 1400, 1456, 1820, 1994, 2080, 2275, 2600, 2800, 2912, 3640, 3988, 4550, 4985, 5200, 5600, 6979, 7280, 7976, 9100, 9970, 10400, 12961, 13958, 14560, 15952, 18200, 19940, 24925, 25922, 27916, 31904, 34895, 36400, 39880, 49850, 51844, 55832, 64805, 69790, 72800, 79760, 90727, 99700, 103688, 111664, 129610, 139580, 159520, 174475, 181454, 199400, 207376, 223328, 259220, 279160, 324025, 348950, 362908, 398800, 414752, 453635, 518440, 558320, 648050, 697900, 725816, 797600, 907270, 1036880, 1116640, 1296100, 1395800, 1451632, 1814540, 2073760, 2268175, 2592200, 2791600, 2903264, 3629080, 4536350, 5184400, 5583200, 7258160, 9072700, 10368800, 14516320, 18145400, 36290800, 72581600]

約数ペア:

[(1, 72581600), (2, 36290800), (4, 18145400), (5, 14516320), (7, 10368800), (8, 9072700), (10, 7258160), (13, 5583200), (14, 5184400), (16, 4536350), (20, 3629080), (25, 2903264), (26, 2791600), (28, 2592200), (32, 2268175), (35, 2073760), (40, 1814540), (50, 1451632), (52, 1395800), (56, 1296100), (65, 1116640), (70, 1036880), (80, 907270), (91, 797600), (100, 725816), (104, 697900), (112, 648050), (130, 558320), (140, 518440), (160, 453635), (175, 414752), (182, 398800), (200, 362908), (208, 348950), (224, 324025), (260, 279160), (280, 259220), (325, 223328), (350, 207376), (364, 199400), (400, 181454), (416, 174475), (455, 159520), (520, 139580), (560, 129610), (650, 111664), (700, 103688), (728, 99700), (800, 90727), (910, 79760), (997, 72800), (1040, 69790), (1120, 64805), (1300, 55832), (1400, 51844), (1456, 49850), (1820, 39880), (1994, 36400), (2080, 34895), (2275, 31904), (2600, 27916), (2800, 25922), (2912, 24925), (3640, 19940), (3988, 18200), (4550, 15952), (4985, 14560), (5200, 13958), (5600, 12961), (6979, 10400), (7280, 9970), (7976, 9100)]