670404640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 1624114800

約数和(自身を除く): 953710160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 149, 160, 244, 298, 305, 461, 488, 596, 610, 745, 922, 976, 1192, 1220, 1490, 1844, 1952, 2305, 2384, 2440, 2980, 3688, 4610, 4768, 4880, 5960, 7376, 9089, 9220, 9760, 11920, 14752, 18178, 18440, 23840, 28121, 36356, 36880, 45445, 56242, 68689, 72712, 73760, 90890, 112484, 137378, 140605, 145424, 181780, 224968, 274756, 281210, 290848, 343445, 363560, 449936, 549512, 562420, 686890, 727120, 899872, 1099024, 1124840, 1373780, 1454240, 2198048, 2249680, 2747560, 4190029, 4499360, 5495120, 8380058, 10990240, 16760116, 20950145, 33520232, 41900290, 67040464, 83800580, 134080928, 167601160, 335202320, 670404640]

約数ペア:

[(1, 670404640), (2, 335202320), (4, 167601160), (5, 134080928), (8, 83800580), (10, 67040464), (16, 41900290), (20, 33520232), (32, 20950145), (40, 16760116), (61, 10990240), (80, 8380058), (122, 5495120), (149, 4499360), (160, 4190029), (244, 2747560), (298, 2249680), (305, 2198048), (461, 1454240), (488, 1373780), (596, 1124840), (610, 1099024), (745, 899872), (922, 727120), (976, 686890), (1192, 562420), (1220, 549512), (1490, 449936), (1844, 363560), (1952, 343445), (2305, 290848), (2384, 281210), (2440, 274756), (2980, 224968), (3688, 181780), (4610, 145424), (4768, 140605), (4880, 137378), (5960, 112484), (7376, 90890), (9089, 73760), (9220, 72712), (9760, 68689), (11920, 56242), (14752, 45445), (18178, 36880), (18440, 36356), (23840, 28121)]