7911165280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:853

約数の個数: 192

約数和(自身を含む): 20499333120

約数和(自身を除く): 12588167840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 127, 152, 155, 160, 190, 248, 254, 304, 310, 380, 496, 508, 589, 608, 620, 635, 661, 760, 992, 1016, 1178, 1240, 1270, 1322, 1520, 2032, 2356, 2413, 2480, 2540, 2644, 2945, 3040, 3305, 3937, 4064, 4712, 4826, 4960, 5080, 5288, 5890, 6610, 7874, 9424, 9652, 10160, 10576, 11780, 12065, 12559, 13220, 15748, 18848, 19304, 19685, 20320, 20491, 21152, 23560, 24130, 25118, 26440, 31496, 38608, 39370, 40982, 47120, 48260, 50236, 52880, 62795, 62992, 74803, 77216, 78740, 81964, 83947, 94240, 96520, 100472, 102455, 105760, 125590, 125984, 149606, 157480, 163928, 167894, 193040, 200944, 204910, 251180, 299212, 314960, 327856, 335788, 374015, 386080, 389329, 401888, 409820, 419735, 502360, 598424, 629920, 655712, 671576, 748030, 778658, 819640, 839470, 1004720, 1196848, 1343152, 1496060, 1557316, 1594993, 1639280, 1678940, 1946645, 2009440, 2393696, 2602357, 2686304, 2992120, 3114632, 3189986, 3278560, 3357880, 3893290, 5204714, 5984240, 6229264, 6379972, 6715760, 7786580, 7974965, 10409428, 11968480, 12458528, 12759944, 13011785, 13431520, 15573160, 15949930, 20818856, 25519888, 26023570, 31146320, 31899860, 41637712, 49444783, 51039776, 52047140, 62292640, 63799720, 83275424, 98889566, 104094280, 127599440, 197779132, 208188560, 247223915, 255198880, 395558264, 416377120, 494447830, 791116528, 988895660, 1582233056, 1977791320, 3955582640, 7911165280]

約数ペア:

[(1, 7911165280), (2, 3955582640), (4, 1977791320), (5, 1582233056), (8, 988895660), (10, 791116528), (16, 494447830), (19, 416377120), (20, 395558264), (31, 255198880), (32, 247223915), (38, 208188560), (40, 197779132), (62, 127599440), (76, 104094280), (80, 98889566), (95, 83275424), (124, 63799720), (127, 62292640), (152, 52047140), (155, 51039776), (160, 49444783), (190, 41637712), (248, 31899860), (254, 31146320), (304, 26023570), (310, 25519888), (380, 20818856), (496, 15949930), (508, 15573160), (589, 13431520), (608, 13011785), (620, 12759944), (635, 12458528), (661, 11968480), (760, 10409428), (992, 7974965), (1016, 7786580), (1178, 6715760), (1240, 6379972), (1270, 6229264), (1322, 5984240), (1520, 5204714), (2032, 3893290), (2356, 3357880), (2413, 3278560), (2480, 3189986), (2540, 3114632), (2644, 2992120), (2945, 2686304), (3040, 2602357), (3305, 2393696), (3937, 2009440), (4064, 1946645), (4712, 1678940), (4826, 1639280), (4960, 1594993), (5080, 1557316), (5288, 1496060), (5890, 1343152), (6610, 1196848), (7874, 1004720), (9424, 839470), (9652, 819640), (10160, 778658), (10576, 748030), (11780, 671576), (12065, 655712), (12559, 629920), (13220, 598424), (15748, 502360), (18848, 419735), (19304, 409820), (19685, 401888), (20320, 389329), (20491, 386080), (21152, 374015), (23560, 335788), (24130, 327856), (25118, 314960), (26440, 299212), (31496, 251180), (38608, 204910), (39370, 200944), (40982, 193040), (47120, 167894), (48260, 163928), (50236, 157480), (52880, 149606), (62795, 125984), (62992, 125590), (74803, 105760), (77216, 102455), (78740, 100472), (81964, 96520), (83947, 94240)]