1551166840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{65839}}^1$

素因数の和:65900

約数の個数: 64

約数和(自身を含む): 3792384000

約数和(自身を除く): 2241217160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 65839, 131678, 263356, 329195, 526712, 658390, 1250941, 1316780, 2041009, 2501882, 2633560, 4082018, 5003764, 6254705, 8164036, 10007528, 10205045, 12509410, 16328072, 20410090, 25018820, 38779171, 40820180, 50037640, 77558342, 81640360, 155116684, 193895855, 310233368, 387791710, 775583420, 1551166840]

約数ペア:

[(1, 1551166840), (2, 775583420), (4, 387791710), (5, 310233368), (8, 193895855), (10, 155116684), (19, 81640360), (20, 77558342), (31, 50037640), (38, 40820180), (40, 38779171), (62, 25018820), (76, 20410090), (95, 16328072), (124, 12509410), (152, 10205045), (155, 10007528), (190, 8164036), (248, 6254705), (310, 5003764), (380, 4082018), (589, 2633560), (620, 2501882), (760, 2041009), (1178, 1316780), (1240, 1250941), (2356, 658390), (2945, 526712), (4712, 329195), (5890, 263356), (11780, 131678), (23560, 65839)]