123987120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30389}}^1$

素因数の和:30422

約数の個数: 80

約数和(自身を含む): 406982880

約数和(自身を除く): 282995760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 30389, 60778, 91167, 121556, 151945, 182334, 243112, 303890, 364668, 455835, 486224, 516613, 607780, 729336, 911670, 1033226, 1215560, 1458672, 1549839, 1823340, 2066452, 2431120, 2583065, 3099678, 3646680, 4132904, 5166130, 6199356, 7293360, 7749195, 8265808, 10332260, 12398712, 15498390, 20664520, 24797424, 30996780, 41329040, 61993560, 123987120]

約数ペア:

[(1, 123987120), (2, 61993560), (3, 41329040), (4, 30996780), (5, 24797424), (6, 20664520), (8, 15498390), (10, 12398712), (12, 10332260), (15, 8265808), (16, 7749195), (17, 7293360), (20, 6199356), (24, 5166130), (30, 4132904), (34, 3646680), (40, 3099678), (48, 2583065), (51, 2431120), (60, 2066452), (68, 1823340), (80, 1549839), (85, 1458672), (102, 1215560), (120, 1033226), (136, 911670), (170, 729336), (204, 607780), (240, 516613), (255, 486224), (272, 455835), (340, 364668), (408, 303890), (510, 243112), (680, 182334), (816, 151945), (1020, 121556), (1360, 91167), (2040, 60778), (4080, 30389)]