2921440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 72

約数和(自身を含む): 7507080

約数和(自身を除く): 4585640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 961, 992, 1178, 1240, 1520, 1922, 2356, 2480, 2945, 3040, 3844, 4712, 4805, 4960, 5890, 7688, 9424, 9610, 11780, 15376, 18259, 18848, 19220, 23560, 30752, 36518, 38440, 47120, 73036, 76880, 91295, 94240, 146072, 153760, 182590, 292144, 365180, 584288, 730360, 1460720, 2921440]

約数ペア:

[(1, 2921440), (2, 1460720), (4, 730360), (5, 584288), (8, 365180), (10, 292144), (16, 182590), (19, 153760), (20, 146072), (31, 94240), (32, 91295), (38, 76880), (40, 73036), (62, 47120), (76, 38440), (80, 36518), (95, 30752), (124, 23560), (152, 19220), (155, 18848), (160, 18259), (190, 15376), (248, 11780), (304, 9610), (310, 9424), (380, 7688), (496, 5890), (589, 4960), (608, 4805), (620, 4712), (760, 3844), (961, 3040), (992, 2945), (1178, 2480), (1240, 2356), (1520, 1922)]