72067120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 174551328

約数和(自身を除く): 102484208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 251, 296, 370, 388, 485, 502, 592, 740, 776, 970, 1004, 1255, 1480, 1552, 1940, 2008, 2510, 2960, 3589, 3880, 4016, 5020, 7178, 7760, 9287, 10040, 14356, 17945, 18574, 20080, 24347, 28712, 35890, 37148, 46435, 48694, 57424, 71780, 74296, 92870, 97388, 121735, 143560, 148592, 185740, 194776, 243470, 287120, 371480, 389552, 486940, 742960, 900839, 973880, 1801678, 1947760, 3603356, 4504195, 7206712, 9008390, 14413424, 18016780, 36033560, 72067120]

約数ペア:

[(1, 72067120), (2, 36033560), (4, 18016780), (5, 14413424), (8, 9008390), (10, 7206712), (16, 4504195), (20, 3603356), (37, 1947760), (40, 1801678), (74, 973880), (80, 900839), (97, 742960), (148, 486940), (185, 389552), (194, 371480), (251, 287120), (296, 243470), (370, 194776), (388, 185740), (485, 148592), (502, 143560), (592, 121735), (740, 97388), (776, 92870), (970, 74296), (1004, 71780), (1255, 57424), (1480, 48694), (1552, 46435), (1940, 37148), (2008, 35890), (2510, 28712), (2960, 24347), (3589, 20080), (3880, 18574), (4016, 17945), (5020, 14356), (7178, 10040), (7760, 9287)]