15665126680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1\times {\mathrm{2287}}^1$

素因数の和:3761

約数の個数: 128

約数和(自身を含む): 42699571200

約数和(自身を除く): 27034444520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 1439, 2287, 2380, 2878, 4574, 4760, 5756, 7195, 9148, 10073, 11435, 11512, 14390, 16009, 18296, 20146, 22870, 24463, 28780, 32018, 38879, 40292, 45740, 48926, 50365, 57560, 64036, 77758, 80045, 80584, 91480, 97852, 100730, 122315, 128072, 155516, 160090, 171241, 194395, 195704, 201460, 244630, 272153, 311032, 320180, 342482, 388790, 402920, 489260, 544306, 640360, 684964, 777580, 856205, 978520, 1088612, 1360765, 1369928, 1555160, 1712410, 2177224, 2721530, 3290993, 3424820, 5443060, 6581986, 6849640, 10886120, 13163972, 16454965, 23036951, 26327944, 32909930, 46073902, 55946881, 65819860, 92147804, 111893762, 115184755, 131639720, 184295608, 223787524, 230369510, 279734405, 391628167, 447575048, 460739020, 559468810, 783256334, 921478040, 1118937620, 1566512668, 1958140835, 2237875240, 3133025336, 3916281670, 7832563340, 15665126680]

約数ペア:

[(1, 15665126680), (2, 7832563340), (4, 3916281670), (5, 3133025336), (7, 2237875240), (8, 1958140835), (10, 1566512668), (14, 1118937620), (17, 921478040), (20, 783256334), (28, 559468810), (34, 460739020), (35, 447575048), (40, 391628167), (56, 279734405), (68, 230369510), (70, 223787524), (85, 184295608), (119, 131639720), (136, 115184755), (140, 111893762), (170, 92147804), (238, 65819860), (280, 55946881), (340, 46073902), (476, 32909930), (595, 26327944), (680, 23036951), (952, 16454965), (1190, 13163972), (1439, 10886120), (2287, 6849640), (2380, 6581986), (2878, 5443060), (4574, 3424820), (4760, 3290993), (5756, 2721530), (7195, 2177224), (9148, 1712410), (10073, 1555160), (11435, 1369928), (11512, 1360765), (14390, 1088612), (16009, 978520), (18296, 856205), (20146, 777580), (22870, 684964), (24463, 640360), (28780, 544306), (32018, 489260), (38879, 402920), (40292, 388790), (45740, 342482), (48926, 320180), (50365, 311032), (57560, 272153), (64036, 244630), (77758, 201460), (80045, 195704), (80584, 194395), (91480, 171241), (97852, 160090), (100730, 155516), (122315, 128072)]